20634852 has 24 divisors (see below), whose sum is σ = 55026496. Its totient is φ = 5895648.

The previous prime is 20634851. The next prime is 20634857. The reversal of 20634852 is 25843602.

It is not an unprimeable number, because it can be changed into a prime (20634851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122743 + ... + 122910.

Almost surely, 2^20634852 is an apocalyptic number.

It is an amenable number.

20634852 is an abundant number, since it is smaller than the sum of its proper divisors (34391644).

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

20634852 is a wasteful number, since it uses less digits than its factorization.

20634852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245667 (or 245665 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 20634852 is about 4542.5600711493. The cubic root of 20634852 is about 274.2839863792.

The spelling of 20634852 in words is "twenty million, six hundred thirty-four thousand, eight hundred fifty-two".