346631336020 has 24 divisors (see below), whose sum is σ = 727977746664. Its totient is φ = 138642640896.

The previous prime is 346631336017. The next prime is 346631336087. The reversal of 346631336020 is 20633136643.

It can be written as a sum of positive squares in 4 ways, for example, as 103065397444 + 243565938576 = 321038^2 + 493524^2 .

It is a super-2 number, since 2×346631336020² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327717 + ... + 894796.

It is an arithmetic number, because the mean of its divisors is an integer number (30332406111).

Almost surely, 2^346631336020 is an apocalyptic number.

It is an amenable number.

346631336020 is an abundant number, since it is smaller than the sum of its proper divisors (381346410644).

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

346631336020 is a wasteful number, since it uses less digits than its factorization.

346631336020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236699 (or 1236697 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 37.

The spelling of 346631336020 in words is "three hundred forty-six billion, six hundred thirty-one million, three hundred thirty-six thousand, twenty".