20716196892 has 24 divisors (see below), whose sum is σ = 48690627216. Its totient is φ = 6854994048.

The previous prime is 20716196863. The next prime is 20716196911. The reversal of 20716196892 is 29869161702.

It is a super-2 number, since 2×20716196892² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6298903 + ... + 6302190.

It is an arithmetic number, because the mean of its divisors is an integer number (2028776134).

Almost surely, 2^20716196892 is an apocalyptic number.

It is an amenable number.

20716196892 is an abundant number, since it is smaller than the sum of its proper divisors (27974430324).

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

20716196892 is a wasteful number, since it uses less digits than its factorization.

20716196892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12601237 (or 12601235 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 20716196892 in words is "twenty billion, seven hundred sixteen million, one hundred ninety-six thousand, eight hundred ninety-two".