20005157602116 has 36 divisors (see below), whose sum is σ = 50770061347824. Its totient is φ = 6641818590000.

The previous prime is 20005157602109. The next prime is 20005157602121. The reversal of 20005157602116 is 61120675150002.

20005157602116 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 51 + 576 + 0 + 21 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106960730 + ... + 1106978801.

It is an arithmetic number, because the mean of its divisors is an integer number (1410279481884).

Almost surely, 2^{20005157602116} is an apocalyptic number.

It is an amenable number.

20005157602116 is an abundant number, since it is smaller than the sum of its proper divisors (30764903745708).

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

20005157602116 is a wasteful number, since it uses less digits than its factorization.

20005157602116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213939792 (or 2213939787 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 20005157602116 in words is "twenty trillion, five billion, one hundred fifty-seven million, six hundred two thousand, one hundred sixteen".