93220586820 has 72 divisors (see below), whose sum is σ = 286642703256. Its totient is φ = 24518287872.

The previous prime is 93220586791. The next prime is 93220586831. The reversal of 93220586820 is 2868502239.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8982490176 + 84238096644 = 94776^2 + 290238^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3534067 + ... + 3560346.

Almost surely, 2^93220586820 is an apocalyptic number.

93220586820 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

93220586820 is an abundant number, since it is smaller than the sum of its proper divisors (193422116436).

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

93220586820 is a wasteful number, since it uses less digits than its factorization.

93220586820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094501 (or 7094496 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 93220586820 in words is "ninety-three billion, two hundred twenty million, five hundred eighty-six thousand, eight hundred twenty".