20296187961251 has 8 divisors (see below), whose sum is σ = 21178923035424. Its totient is φ = 19413477230400.

The previous prime is 20296187961221. The next prime is 20296187961289. The reversal of 20296187961251 is 15216978169202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20296187961251 - 2¹⁰ = 20296187960227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20296187961221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371800 + ... + 7726901.

It is an arithmetic number, because the mean of its divisors is an integer number (2647365379428).

Almost surely, 2^{20296187961251} is an apocalyptic number.

20296187961251 is a deficient number, since it is larger than the sum of its proper divisors (882735074173).

20296187961251 is a wasteful number, since it uses less digits than its factorization.

20296187961251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12171661.

The product of its (nonzero) digits is 6531840, while the sum is 59.

The spelling of 20296187961251 in words is "twenty trillion, two hundred ninety-six billion, one hundred eighty-seven million, nine hundred sixty-one thousand, two hundred fifty-one".