208620748812 has 48 divisors (see below), whose sum is σ = 556583535872. Its totient is φ = 59577906240.

The previous prime is 208620748811. The next prime is 208620748823. The reversal of 208620748812 is 218847026802.

It is a super-2 number, since 2×208620748812² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208620748811) 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, 403723 + ... + 761730.

Almost surely, 2^208620748812 is an apocalyptic number.

It is an amenable number.

208620748812 is an abundant number, since it is smaller than the sum of its proper divisors (347962787060).

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

208620748812 is a wasteful number, since it uses less digits than its factorization.

208620748812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167598 (or 1167596 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 48.

The spelling of 208620748812 in words is "two hundred eight billion, six hundred twenty million, seven hundred forty-eight thousand, eight hundred twelve".