2220786631680 has 176 divisors, whose sum is σ = 7237069654464. Its totient is φ = 581035786240.

The previous prime is 2220786631667. The next prime is 2220786631709. The reversal of 2220786631680 is 861366870222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549906 + ... + 2178065.

Almost surely, 2^{2220786631680} is an apocalyptic number.

2220786631680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220786631680 is an abundant number, since it is smaller than the sum of its proper divisors (5016283022784).

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

2220786631680 is a wasteful number, since it uses less digits than its factorization.

2220786631680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728052 (or 2728034 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

It can be divided in two parts, 2220786 and 631680, that added together give a triangular number (2852466 = T₂₃₈₈).

The spelling of 2220786631680 in words is "two trillion, two hundred twenty billion, seven hundred eighty-six million, six hundred thirty-one thousand, six hundred eighty".