20025656023 has 16 divisors (see below), whose sum is σ = 20481876576. Its totient is φ = 19573914240.

The previous prime is 20025656017. The next prime is 20025656029. The reversal of 20025656023 is 32065652002.

It is an interprime number because it is at equal distance from previous prime (20025656017) and next prime (20025656029).

It is not a de Polignac number, because 20025656023 - 2²⁹ = 19488785111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025656029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10148865 + ... + 10150837.

It is an arithmetic number, because the mean of its divisors is an integer number (1280117286).

Almost surely, 2^20025656023 is an apocalyptic number.

20025656023 is a deficient number, since it is larger than the sum of its proper divisors (456220553).

20025656023 is a wasteful number, since it uses less digits than its factorization.

20025656023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 20025656023 in words is "twenty billion, twenty-five million, six hundred fifty-six thousand, twenty-three".