20492907922 has 16 divisors (see below), whose sum is σ = 31662556992. Its totient is φ = 9941878800.

The previous prime is 20492907889. The next prime is 20492907923. The reversal of 20492907922 is 22970929402.

It is not an unprimeable number, because it can be changed into a prime (20492907923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776053 + ... + 802024.

It is an arithmetic number, because the mean of its divisors is an integer number (1978909812).

Almost surely, 2^20492907922 is an apocalyptic number.

20492907922 is a deficient number, since it is larger than the sum of its proper divisors (11169649070).

20492907922 is a wasteful number, since it uses less digits than its factorization.

20492907922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578273.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 20492907922 in words is "twenty billion, four hundred ninety-two million, nine hundred seven thousand, nine hundred twenty-two".