20372201454251 has 4 divisors (see below), whose sum is σ = 21074691159600. Its totient is φ = 19669711748904.

The previous prime is 20372201454239. The next prime is 20372201454289. The reversal of 20372201454251 is 15245410227302.

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

It is not a de Polignac number, because 20372201454251 - 2³⁸ = 20097323547307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20372201454151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351244852631 + ... + 351244852688.

It is an arithmetic number, because the mean of its divisors is an integer number (5268672789900).

Almost surely, 2^{20372201454251} is an apocalyptic number.

20372201454251 is a deficient number, since it is larger than the sum of its proper divisors (702489705349).

20372201454251 is an equidigital number, since it uses as much as digits as its factorization.

20372201454251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702489705348.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 20372201454251 in words is "twenty trillion, three hundred seventy-two billion, two hundred one million, four hundred fifty-four thousand, two hundred fifty-one".