20770295813136 has 45 divisors (see below), whose sum is σ = 58128133698271. Its totient is φ = 6923413707936.

The previous prime is 20770295813009. The next prime is 20770295813161. The reversal of 20770295813136 is 63131859207702.

The square root of 20770295813136 is 4557444.

It is a perfect power (a square), and thus also a powerful number.

20770295813136 is a `hidden beast` number, since 2 + 0 + 7 + 7 + 0 + 29 + 581 + 3 + 1 + 36 = 666.

It is a super-4 number, since 4×20770295813136⁴ (a number of 54 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54499435 + ... + 54879221.

Almost surely, 2^{20770295813136} is an apocalyptic number.

20770295813136 is the 4557444-th square number.

It is an amenable number.

20770295813136 is an abundant number, since it is smaller than the sum of its proper divisors (37357837885135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20770295813136 is an frugal number, since it uses more digits than its factorization.

20770295813136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759588 (or 379792 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 20770295813136 in words is "twenty trillion, seven hundred seventy billion, two hundred ninety-five million, eight hundred thirteen thousand, one hundred thirty-six".