1076220772520 has 32 divisors (see below), whose sum is σ = 2421532146600. Its totient is φ = 430482014208.

The previous prime is 1076220772499. The next prime is 1076220772547. The reversal of 1076220772520 is 252770226701.

It can be written as a sum of positive squares in 4 ways, for example, as 777123350116 + 299097422404 = 881546^2 + 546898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3372512 + ... + 3677808.

Almost surely, 2^{1076220772520} is an apocalyptic number.

1076220772520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1076220772520 is an abundant number, since it is smaller than the sum of its proper divisors (1345311374080).

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

1076220772520 is a wasteful number, since it uses less digits than its factorization.

1076220772520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393437 (or 393433 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 1076220772520 in words is "one trillion, seventy-six billion, two hundred twenty million, seven hundred seventy-two thousand, five hundred twenty".