20641114731516 has 48 divisors (see below), whose sum is σ = 48845813667840. Its totient is φ = 6782789083840.

The previous prime is 20641114731487. The next prime is 20641114731539. The reversal of 20641114731516 is 61513741114602.

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, 7385470 + ... + 9789146.

It is an arithmetic number, because the mean of its divisors is an integer number (1017621118080).

Almost surely, 2^{20641114731516} is an apocalyptic number.

It is an amenable number.

20641114731516 is an abundant number, since it is smaller than the sum of its proper divisors (28204698936324).

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

20641114731516 is a wasteful number, since it uses less digits than its factorization.

20641114731516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413834 (or 2413832 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 20641114731516 in words is "twenty trillion, six hundred forty-one billion, one hundred fourteen million, seven hundred thirty-one thousand, five hundred sixteen".