16923574020 has 24 divisors (see below), whose sum is σ = 47386007424. Its totient is φ = 4512953056.

The previous prime is 16923574007. The next prime is 16923574067. The reversal of 16923574020 is 2047532961.

It is a super-2 number, since 2×16923574020² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16923574020.

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, 141029724 + ... + 141029843.

It is an arithmetic number, because the mean of its divisors is an integer number (1974416976).

Almost surely, 2^16923574020 is an apocalyptic number.

16923574020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16923574020 is an abundant number, since it is smaller than the sum of its proper divisors (30462433404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16923574020 is a wasteful number, since it uses less digits than its factorization.

16923574020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282059579 (or 282059577 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 16923574020 in words is "sixteen billion, nine hundred twenty-three million, five hundred seventy-four thousand, twenty".