20262406432 has 48 divisors (see below), whose sum is σ = 40379018400. Its totient is φ = 10007641600.

The previous prime is 20262406421. The next prime is 20262406447. The reversal of 20262406432 is 23460426202.

It is a happy number.

It is a super-2 number, since 2×20262406432² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20262406394 and 20262406403.

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, 3582807 + ... + 3588457.

It is an arithmetic number, because the mean of its divisors is an integer number (841229550).

Almost surely, 2^20262406432 is an apocalyptic number.

It is an amenable number.

20262406432 is a deficient number, since it is larger than the sum of its proper divisors (20116611968).

20262406432 is a wasteful number, since it uses less digits than its factorization.

20262406432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009 (or 7001 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The spelling of 20262406432 in words is "twenty billion, two hundred sixty-two million, four hundred six thousand, four hundred thirty-two".