20350016655051 has 4 divisors (see below), whose sum is σ = 27133355540072. Its totient is φ = 13566677770032.

The previous prime is 20350016655043. The next prime is 20350016655061. The reversal of 20350016655051 is 15055661005302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20350016655051 - 2³ = 20350016655043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20350016655061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3391669442506 + ... + 3391669442511.

It is an arithmetic number, because the mean of its divisors is an integer number (6783338885018).

Almost surely, 2^{20350016655051} is an apocalyptic number.

20350016655051 is a deficient number, since it is larger than the sum of its proper divisors (6783338885021).

20350016655051 is an equidigital number, since it uses as much as digits as its factorization.

20350016655051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783338885020.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 20350016655051 in words is "twenty trillion, three hundred fifty billion, sixteen million, six hundred fifty-five thousand, fifty-one".