20737174051 has 16 divisors (see below), whose sum is σ = 22777249248. Its totient is φ = 18723328000.

The previous prime is 20737174013. The next prime is 20737174099. The reversal of 20737174051 is 15047173702.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20737174051 - 2⁷ = 20737173923 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20737174051.

It is not an unprimeable number, because it can be changed into a prime (20737171051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017675 + ... + 1037851.

It is an arithmetic number, because the mean of its divisors is an integer number (1423578078).

Almost surely, 2^20737174051 is an apocalyptic number.

20737174051 is a deficient number, since it is larger than the sum of its proper divisors (2040075197).

20737174051 is a wasteful number, since it uses less digits than its factorization.

20737174051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20822.

The product of its (nonzero) digits is 41160, while the sum is 37.

The spelling of 20737174051 in words is "twenty billion, seven hundred thirty-seven million, one hundred seventy-four thousand, fifty-one".