964479482420220 has 192 divisors, whose sum is σ = 3231899532288000. Its totient is φ = 237374988348672.

The previous prime is 964479482420219. The next prime is 964479482420257. The reversal of 964479482420220 is 22024284974469.

It is a happy number.

964479482420220 is a `hidden beast` number, since 9 + 6 + 4 + 47 + 94 + 82 + 420 + 2 + 2 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36943371 + ... + 57391389.

It is an arithmetic number, because the mean of its divisors is an integer number (16832810064000).

Almost surely, 2^{964479482420220} is an apocalyptic number.

964479482420220 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 964479482420220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1615949766144000).

964479482420220 is an abundant number, since it is smaller than the sum of its proper divisors (2267420049867780).

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

964479482420220 is a wasteful number, since it uses less digits than its factorization.

964479482420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454769 (or 20454761 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 964479482420220 in words is "nine hundred sixty-four trillion, four hundred seventy-nine billion, four hundred eighty-two million, four hundred twenty thousand, two hundred twenty".