720290956228 has 24 divisors (see below), whose sum is σ = 1282012371360. Its totient is φ = 354003027840.

The previous prime is 720290956219. The next prime is 720290956237. The reversal of 720290956228 is 822659092027.

It is an interprime number because it is at equal distance from previous prime (720290956219) and next prime (720290956237).

It is a super-2 number, since 2×720290956228² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 2086675 + ... + 2407237.

It is an arithmetic number, because the mean of its divisors is an integer number (53417182140).

Almost surely, 2^720290956228 is an apocalyptic number.

It is an amenable number.

720290956228 is a deficient number, since it is larger than the sum of its proper divisors (561721415132).

720290956228 is a wasteful number, since it uses less digits than its factorization.

720290956228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330147 (or 330145 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 720290956228 in words is "seven hundred twenty billion, two hundred ninety million, nine hundred fifty-six thousand, two hundred twenty-eight".