220402242400056 has 16 divisors (see below), whose sum is σ = 551005606000200. Its totient is φ = 73467414133344.

The previous prime is 220402242400037. The next prime is 220402242400057. The reversal of 220402242400056 is 650004242204022.

It is a happy number.

It is a super-2 number, since 2×220402242400056² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220402242400057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591713383311 + ... + 4591713383358.

Almost surely, 2^{220402242400056} is an apocalyptic number.

It is an amenable number.

220402242400056 is an abundant number, since it is smaller than the sum of its proper divisors (330603363600144).

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

220402242400056 is a wasteful number, since it uses less digits than its factorization.

220402242400056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9183426766678 (or 9183426766674 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 220402242400056 its reverse (650004242204022), we get a palindrome (870406484604078).

The spelling of 220402242400056 in words is "two hundred twenty trillion, four hundred two billion, two hundred forty-two million, four hundred thousand, fifty-six".