2220520220252 has 12 divisors (see below), whose sum is σ = 3888056124456. Its totient is φ = 1109647041840.

The previous prime is 2220520220249. The next prime is 2220520220267. The reversal of 2220520220252 is 2520220250222.

It is a happy number.

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, 153258923 + ... + 153273410.

It is an arithmetic number, because the mean of its divisors is an integer number (324004677038).

Almost surely, 2^{2220520220252} is an apocalyptic number.

It is an amenable number.

2220520220252 is a deficient number, since it is larger than the sum of its proper divisors (1667535904204).

2220520220252 is a wasteful number, since it uses less digits than its factorization.

2220520220252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306534148 (or 306534146 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 2220520220252 its reverse (2520220250222), we get a palindrome (4740740470474).

The spelling of 2220520220252 in words is "two trillion, two hundred twenty billion, five hundred twenty million, two hundred twenty thousand, two hundred fifty-two".