20850522 has 32 divisors (see below), whose sum is σ = 51992064. Its totient is φ = 5415600.

The previous prime is 20850521. The next prime is 20850523. The reversal of 20850522 is 22505802.

It is an interprime number because it is at equal distance from previous prime (20850521) and next prime (20850523).

It is a junction number, because it is equal to n+sod(n) for n = 20850492 and 20850501.

It is not an unprimeable number, because it can be changed into a prime (20850521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22104 + ... + 23027.

It is an arithmetic number, because the mean of its divisors is an integer number (1624752).

Almost surely, 2^20850522 is an apocalyptic number.

20850522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20850522 is an abundant number, since it is smaller than the sum of its proper divisors (31141542).

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

20850522 is a wasteful number, since it uses less digits than its factorization.

20850522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45154.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 20850522 is about 4566.2371817504. The cubic root of 20850522 is about 275.2362575747.

The spelling of 20850522 in words is "twenty million, eight hundred fifty thousand, five hundred twenty-two".