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122332020 = 22352038867
BaseRepresentation
bin1110100101010…
…10001101110100
322112012002222120
413102222031310
5222304111040
620045555540
73013543056
oct722521564
9275162876
10122332020
1163064948
1234b75bb0
131c462515
14123658d6
15ab167d0
hex74aa374

122332020 has 24 divisors (see below), whose sum is σ = 342529824. Its totient is φ = 32621856.

The previous prime is 122332019. The next prime is 122332043. The reversal of 122332020 is 20233221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019374 + ... + 1019493.

It is an arithmetic number, because the mean of its divisors is an integer number (14272076).

Almost surely, 2122332020 is an apocalyptic number.

122332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122332020 is an abundant number, since it is smaller than the sum of its proper divisors (220197804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122332020 is a wasteful number, since it uses less digits than its factorization.

122332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038879 (or 2038877 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 122332020 is about 11060.3806444444. The cubic root of 122332020 is about 496.4170800291.

Adding to 122332020 its reverse (20233221), we get a palindrome (142565241).

The spelling of 122332020 in words is "one hundred twenty-two million, three hundred thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2038867 4077734 6116601 8155468 10194335 12233202 20388670 24466404 30583005 40777340 61166010 122332020