20625401423 has 12 divisors (see below), whose sum is σ = 22674467760. Its totient is φ = 18747410880.

The previous prime is 20625401389. The next prime is 20625401443. The reversal of 20625401423 is 32410452602.

It is not a de Polignac number, because 20625401423 - 2²⁴ = 20608624207 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 (20625401443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1236686 + ... + 1253252.

It is an arithmetic number, because the mean of its divisors is an integer number (1889538980).

Almost surely, 2^20625401423 is an apocalyptic number.

20625401423 is a deficient number, since it is larger than the sum of its proper divisors (2049066337).

20625401423 is a wasteful number, since it uses less digits than its factorization.

20625401423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26878 (or 26867 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The spelling of 20625401423 in words is "twenty billion, six hundred twenty-five million, four hundred one thousand, four hundred twenty-three".