63122274920 has 32 divisors (see below), whose sum is σ = 142032337920. Its totient is φ = 25247626560.

The previous prime is 63122274863. The next prime is 63122274977. The reversal of 63122274920 is 2947222136.

It is a happy number.

63122274920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (63122274863) and next prime (63122274977).

It is a super-2 number, since 2×63122274920² (a number of 22 digits) contains 22 as substring.

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, 1360505 + ... + 1406135.

It is an arithmetic number, because the mean of its divisors is an integer number (4438510560).

Almost surely, 2^63122274920 is an apocalyptic number.

It is an amenable number.

63122274920 is an abundant number, since it is smaller than the sum of its proper divisors (78910063000).

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

63122274920 is a wasteful number, since it uses less digits than its factorization.

63122274920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80225 (or 80221 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 63122274920 in words is "sixty-three billion, one hundred twenty-two million, two hundred seventy-four thousand, nine hundred twenty".