20400816092 has 24 divisors (see below), whose sum is σ = 37265407872. Its totient is φ = 9753836400.

The previous prime is 20400816083. The next prime is 20400816113. The reversal of 20400816092 is 29061800402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273167 + ... + 339737.

It is an arithmetic number, because the mean of its divisors is an integer number (1552725328).

Almost surely, 2^20400816092 is an apocalyptic number.

It is an amenable number.

20400816092 is a deficient number, since it is larger than the sum of its proper divisors (16864591780).

20400816092 is a wasteful number, since it uses less digits than its factorization.

20400816092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69929 (or 69927 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 20400816092 in words is "twenty billion, four hundred million, eight hundred sixteen thousand, ninety-two".