20256463232 has 32 divisors (see below), whose sum is σ = 40362495480. Its totient is φ = 10126268416.

The previous prime is 20256463219. The next prime is 20256463243. The reversal of 20256463232 is 23236465202.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-4 number, since 4×20256463232⁴ (a number of 42 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20256463192 and 20256463201.

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, 828008 + ... + 852120.

Almost surely, 2^20256463232 is an apocalyptic number.

It is an amenable number.

20256463232 is a deficient number, since it is larger than the sum of its proper divisors (20106032248).

20256463232 is an equidigital number, since it uses as much as digits as its factorization.

20256463232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30690 (or 30678 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 20256463232 in words is "twenty billion, two hundred fifty-six million, four hundred sixty-three thousand, two hundred thirty-two".