338723389220 has 24 divisors (see below), whose sum is σ = 711340346304. Its totient is φ = 135485312096.

The previous prime is 338723389211. The next prime is 338723389241. The reversal of 338723389220 is 22983327833.

It is a super-2 number, since 2×338723389220² (a number of 24 digits) contains 22 as substring.

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, 486977 + ... + 956343.

It is an arithmetic number, because the mean of its divisors is an integer number (29639181096).

Almost surely, 2^338723389220 is an apocalyptic number.

It is an amenable number.

338723389220 is an abundant number, since it is smaller than the sum of its proper divisors (372616957084).

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

338723389220 is a wasteful number, since it uses less digits than its factorization.

338723389220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505459 (or 505457 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 50.

The spelling of 338723389220 in words is "three hundred thirty-eight billion, seven hundred twenty-three million, three hundred eighty-nine thousand, two hundred twenty".