20041623256 has 32 divisors (see below), whose sum is σ = 38813604480. Its totient is φ = 9691718400.

The previous prime is 20041623233. The next prime is 20041623269. The reversal of 20041623256 is 65232614002.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 403330 + ... + 450286.

It is an arithmetic number, because the mean of its divisors is an integer number (1212925140).

Almost surely, 2^20041623256 is an apocalyptic number.

It is an amenable number.

20041623256 is a deficient number, since it is larger than the sum of its proper divisors (18771981224).

20041623256 is a wasteful number, since it uses less digits than its factorization.

20041623256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48715 (or 48711 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20041623256 in words is "twenty billion, forty-one million, six hundred twenty-three thousand, two hundred fifty-six".