20577157630286 has 8 divisors (see below), whose sum is σ = 31091033792160. Its totient is φ = 10213479699568.

The previous prime is 20577157630277. The next prime is 20577157630319. The reversal of 20577157630286 is 68203675177502.

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

It is a super-2 number, since 2×20577157630286² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37549557446 + ... + 37549557993.

It is an arithmetic number, because the mean of its divisors is an integer number (3886379224020).

Almost surely, 2^{20577157630286} is an apocalyptic number.

20577157630286 is a deficient number, since it is larger than the sum of its proper divisors (10513876161874).

20577157630286 is a wasteful number, since it uses less digits than its factorization.

20577157630286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75099115578.

The product of its (nonzero) digits is 29635200, while the sum is 59.

The spelling of 20577157630286 in words is "twenty trillion, five hundred seventy-seven billion, one hundred fifty-seven million, six hundred thirty thousand, two hundred eighty-six".