20262976 has 56 divisors (see below), whose sum is σ = 42468800. Its totient is φ = 9580032.

The previous prime is 20262973. The next prime is 20262989. The reversal of 20262976 is 67926202.

It is not an unprimeable number, because it can be changed into a prime (20262973) 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, 101725 + ... + 101923.

Almost surely, 2^20262976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20262976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21234400).

20262976 is an abundant number, since it is smaller than the sum of its proper divisors (22205824).

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

20262976 is a wasteful number, since it uses less digits than its factorization.

20262976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 20262976 is about 4501.4415468825. The cubic root of 20262976 is about 272.6262961402.

The spelling of 20262976 in words is "twenty million, two hundred sixty-two thousand, nine hundred seventy-six".