720229901268 has 48 divisors (see below), whose sum is σ = 1695160293120. Its totient is φ = 237992392704.

The previous prime is 720229901267. The next prime is 720229901297. The reversal of 720229901268 is 862109922027.

It is a super-2 number, since 2×720229901268² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720229901267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 877380 + ... + 1486692.

It is an arithmetic number, because the mean of its divisors is an integer number (35315839440).

Almost surely, 2^720229901268 is an apocalyptic number.

It is an amenable number.

720229901268 is an abundant number, since it is smaller than the sum of its proper divisors (974930391852).

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

720229901268 is a wasteful number, since it uses less digits than its factorization.

720229901268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610176 (or 610174 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 720229901268 in words is "seven hundred twenty billion, two hundred twenty-nine million, nine hundred one thousand, two hundred sixty-eight".