720228187052 has 24 divisors (see below), whose sum is σ = 1385477134272. Its totient is φ = 324877389200.

The previous prime is 720228187033. The next prime is 720228187097. The reversal of 720228187052 is 250781822027.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 720228186994 and 720228187012.

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, 62470658 + ... + 62482185.

It is an arithmetic number, because the mean of its divisors is an integer number (57728213928).

Almost surely, 2^720228187052 is an apocalyptic number.

It is an amenable number.

720228187052 is a deficient number, since it is larger than the sum of its proper divisors (665248947220).

720228187052 is a wasteful number, since it uses less digits than its factorization.

720228187052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124952989 (or 124952987 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 44.

The spelling of 720228187052 in words is "seven hundred twenty billion, two hundred twenty-eight million, one hundred eighty-seven thousand, fifty-two".