20013777052371 has 6 divisors (see below), whose sum is σ = 28908789075660. Its totient is φ = 13342518034908.

The previous prime is 20013777052301. The next prime is 20013777052441. The reversal of 20013777052371 is 17325077731002.

20013777052371 is a `hidden beast` number, since 20 + 0 + 1 + 37 + 7 + 7 + 0 + 523 + 71 = 666.

It is an interprime number because it is at equal distance from previous prime (20013777052301) and next prime (20013777052441).

It is not a de Polignac number, because 20013777052371 - 2²⁷ = 20013642834643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20013777052301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111876502901 + ... + 1111876502918.

It is an arithmetic number, because the mean of its divisors is an integer number (4818131512610).

Almost surely, 2^{20013777052371} is an apocalyptic number.

20013777052371 is a deficient number, since it is larger than the sum of its proper divisors (8895012023289).

20013777052371 is a wasteful number, since it uses less digits than its factorization.

20013777052371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223753005825 (or 2223753005822 counting only the distinct ones).

The product of its (nonzero) digits is 432180, while the sum is 45.

The spelling of 20013777052371 in words is "twenty trillion, thirteen billion, seven hundred seventy-seven million, fifty-two thousand, three hundred seventy-one".