20354210607451 has 16 divisors (see below), whose sum is σ = 23803140849664. Its totient is φ = 17040583998144.

The previous prime is 20354210607377. The next prime is 20354210607529. The reversal of 20354210607451 is 15470601245302.

It is not a de Polignac number, because 20354210607451 - 2²³ = 20354202218843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20354210608451) 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, 45498406 + ... + 45943588.

It is an arithmetic number, because the mean of its divisors is an integer number (1487696303104).

Almost surely, 2^{20354210607451} is an apocalyptic number.

20354210607451 is a deficient number, since it is larger than the sum of its proper divisors (3448930242213).

20354210607451 is a wasteful number, since it uses less digits than its factorization.

20354210607451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597130.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 20354210607451 in words is "twenty trillion, three hundred fifty-four billion, two hundred ten million, six hundred seven thousand, four hundred fifty-one".