551242552220 has 24 divisors (see below), whose sum is σ = 1159040307600. Its totient is φ = 220224459392.

The previous prime is 551242552181. The next prime is 551242552241. The reversal of 551242552220 is 22255242155.

It is a congruent number.

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, 17018510 + ... + 17050869.

It is an arithmetic number, because the mean of its divisors is an integer number (48293346150).

Almost surely, 2^551242552220 is an apocalyptic number.

It is an amenable number.

551242552220 is an abundant number, since it is smaller than the sum of its proper divisors (607797755380).

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

551242552220 is a wasteful number, since it uses less digits than its factorization.

551242552220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070197 (or 34070195 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

Adding to 551242552220 its reverse (22255242155), we get a palindrome (573497794375).

The spelling of 551242552220 in words is "five hundred fifty-one billion, two hundred forty-two million, five hundred fifty-two thousand, two hundred twenty".