20733216674136 has 64 divisors (see below), whose sum is σ = 52713228038400. Its totient is φ = 6793721424000.

The previous prime is 20733216674101. The next prime is 20733216674141. The reversal of 20733216674136 is 63147661233702.

It is a super-2 number, since 2×20733216674136² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48356781 + ... + 48783651.

It is an arithmetic number, because the mean of its divisors is an integer number (823644188100).

Almost surely, 2^{20733216674136} is an apocalyptic number.

It is an amenable number.

20733216674136 is an abundant number, since it is smaller than the sum of its proper divisors (31980011364264).

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

20733216674136 is a wasteful number, since it uses less digits than its factorization.

20733216674136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461240 (or 461236 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 51.

The spelling of 20733216674136 in words is "twenty trillion, seven hundred thirty-three billion, two hundred sixteen million, six hundred seventy-four thousand, one hundred thirty-six".