224646264020 has 36 divisors (see below), whose sum is σ = 497893300884. Its totient is φ = 85129107840.

The previous prime is 224646264019. The next prime is 224646264041. The reversal of 224646264020 is 20462646422.

It can be written as a sum of positive squares in 2 ways, for example, as 170367515536 + 54278748484 = 412756^2 + 232978^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15550001 + ... + 15564440.

It is an arithmetic number, because the mean of its divisors is an integer number (13830369469).

Almost surely, 2^224646264020 is an apocalyptic number.

224646264020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224646264020 is an abundant number, since it is smaller than the sum of its proper divisors (273247036864).

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

224646264020 is a wasteful number, since it uses less digits than its factorization.

224646264020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31114488 (or 31114467 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 224646264020 in words is "two hundred twenty-four billion, six hundred forty-six million, two hundred sixty-four thousand, twenty".