20792462465 has 16 divisors (see below), whose sum is σ = 25879044240. Its totient is φ = 16024147200.

The previous prime is 20792462387. The next prime is 20792462503. The reversal of 20792462465 is 56426429702.

It can be written as a sum of positive squares in 8 ways, for example, as 1847968144 + 18944494321 = 42988^2 + 137639^2 .

It is not a de Polignac number, because 20792462465 - 2¹² = 20792458369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537710 + ... + 575079.

It is an arithmetic number, because the mean of its divisors is an integer number (1617440265).

Almost surely, 2^20792462465 is an apocalyptic number.

It is an amenable number.

20792462465 is a deficient number, since it is larger than the sum of its proper divisors (5086581775).

20792462465 is a wasteful number, since it uses less digits than its factorization.

20792462465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112932.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 20792462465 in words is "twenty billion, seven hundred ninety-two million, four hundred sixty-two thousand, four hundred sixty-five".