1203140020 has 12 divisors (see below), whose sum is σ = 2526594084. Its totient is φ = 481256000.

The previous prime is 1203140011. The next prime is 1203140047. The reversal of 1203140020 is 200413021.

It can be written as a sum of positive squares in 2 ways, for example, as 666569124 + 536570896 = 25818^2 + 23164^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30078481 + ... + 30078520.

It is an arithmetic number, because the mean of its divisors is an integer number (210549507).

Almost surely, 2^1203140020 is an apocalyptic number.

1203140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1203140020 is an abundant number, since it is smaller than the sum of its proper divisors (1323454064).

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

1203140020 is a wasteful number, since it uses less digits than its factorization.

1203140020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60157010 (or 60157008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1203140020 is about 34686.3088263943. The cubic root of 1203140020 is about 1063.5846422274.

Adding to 1203140020 its reverse (200413021), we get a palindrome (1403553041).

The spelling of 1203140020 in words is "one billion, two hundred three million, one hundred forty thousand, twenty".