20312626552351 has 16 divisors (see below), whose sum is σ = 23785182082368. Its totient is φ = 16982921318400.

The previous prime is 20312626552331. The next prime is 20312626552373. The reversal of 20312626552351 is 15325562621302.

It is a cyclic number.

It is not a de Polignac number, because 20312626552351 - 2²⁵ = 20312592997919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20312626552298 and 20312626552307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20312626552331) 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, 5260570 + ... + 8264311.

It is an arithmetic number, because the mean of its divisors is an integer number (1486573880148).

Almost surely, 2^{20312626552351} is an apocalyptic number.

20312626552351 is a deficient number, since it is larger than the sum of its proper divisors (3472555530017).

20312626552351 is a wasteful number, since it uses less digits than its factorization.

20312626552351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530162.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 20312626552351 in words is "twenty trillion, three hundred twelve billion, six hundred twenty-six million, five hundred fifty-two thousand, three hundred fifty-one".