2220010505656 has 16 divisors (see below), whose sum is σ = 4162573553040. Its totient is φ = 1109990891520.

The previous prime is 2220010505639. The next prime is 2220010505663. The reversal of 2220010505656 is 6565050100222.

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, 1123401 + ... + 2387896.

It is an arithmetic number, because the mean of its divisors is an integer number (260160847065).

Almost surely, 2^{2220010505656} is an apocalyptic number.

It is an amenable number.

2220010505656 is a deficient number, since it is larger than the sum of its proper divisors (1942563047384).

2220010505656 is a wasteful number, since it uses less digits than its factorization.

2220010505656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3590334 (or 3590330 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 2220010505656 its reverse (6565050100222), we get a palindrome (8785060605878).

The spelling of 2220010505656 in words is "two trillion, two hundred twenty billion, ten million, five hundred five thousand, six hundred fifty-six".