20937966533796 has 48 divisors (see below), whose sum is σ = 52619778326528. Its totient is φ = 6441664320000.

The previous prime is 20937966533777. The next prime is 20937966533843. The reversal of 20937966533796 is 69733566973902.

It is a super-2 number, since 2×20937966533796² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6915205 + ... + 9470796.

Almost surely, 2^{20937966533796} is an apocalyptic number.

20937966533796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20937966533796 is an abundant number, since it is smaller than the sum of its proper divisors (31681811792732).

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

20937966533796 is a wasteful number, since it uses less digits than its factorization.

20937966533796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16394212 (or 16394210 counting only the distinct ones).

The product of its (nonzero) digits is 2083248720, while the sum is 75.

The spelling of 20937966533796 in words is "twenty trillion, nine hundred thirty-seven billion, nine hundred sixty-six million, five hundred thirty-three thousand, seven hundred ninety-six".