420690964820320 has 96 divisors (see below), whose sum is σ = 1018132462448640. Its totient is φ = 164170628751360.

The previous prime is 420690964820257. The next prime is 420690964820327. The reversal of 420690964820320 is 23028469096024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420690964820327) 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, 1017964449 + ... + 1018377631.

It is an arithmetic number, because the mean of its divisors is an integer number (10605546483840).

Almost surely, 2^{420690964820320} is an apocalyptic number.

420690964820320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420690964820320 is an abundant number, since it is smaller than the sum of its proper divisors (597441497628320).

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

420690964820320 is a wasteful number, since it uses less digits than its factorization.

420690964820320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568448 (or 568440 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 420690964820320 in words is "four hundred twenty trillion, six hundred ninety billion, nine hundred sixty-four million, eight hundred twenty thousand, three hundred twenty".