19922400692 has 96 divisors (see below), whose sum is σ = 37462449024. Its totient is φ = 9257472000.

The previous prime is 19922400689. The next prime is 19922400769. The reversal of 19922400692 is 29600422991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59116748 + ... + 59117084.

It is an arithmetic number, because the mean of its divisors is an integer number (390233844).

Almost surely, 2^19922400692 is an apocalyptic number.

It is an amenable number.

19922400692 is a deficient number, since it is larger than the sum of its proper divisors (17540048332).

19922400692 is a wasteful number, since it uses less digits than its factorization.

19922400692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 19922400692 in words is "nineteen billion, nine hundred twenty-two million, four hundred thousand, six hundred ninety-two".