20751670430882 has 4 divisors (see below), whose sum is σ = 31127505646326. Its totient is φ = 10375835215440.

The previous prime is 20751670430863. The next prime is 20751670430903. The reversal of 20751670430882 is 28803407615702.

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

It can be written as a sum of positive squares in only one way, i.e., 19401126618241 + 1350543812641 = 4404671^2 + 1162129^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5187917607719 + ... + 5187917607722.

Almost surely, 2^{20751670430882} is an apocalyptic number.

20751670430882 is a deficient number, since it is larger than the sum of its proper divisors (10375835215444).

20751670430882 is a wasteful number, since it uses less digits than its factorization.

20751670430882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375835215443.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 20751670430882 in words is "twenty trillion, seven hundred fifty-one billion, six hundred seventy million, four hundred thirty thousand, eight hundred eighty-two".