20925077954 has 32 divisors (see below), whose sum is σ = 35752026240. Its totient is φ = 9092195200.

The previous prime is 20925077947. The next prime is 20925077969. The reversal of 20925077954 is 45977052902.

It is a super-2 number, since 2×20925077954² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858812 + ... + 882840.

It is an arithmetic number, because the mean of its divisors is an integer number (1117250820).

Almost surely, 2^20925077954 is an apocalyptic number.

20925077954 is a deficient number, since it is larger than the sum of its proper divisors (14826948286).

20925077954 is a wasteful number, since it uses less digits than its factorization.

20925077954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25786.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The spelling of 20925077954 in words is "twenty billion, nine hundred twenty-five million, seventy-seven thousand, nine hundred fifty-four".