363836400220 has 48 divisors (see below), whose sum is σ = 778956520608. Its totient is φ = 142699864320.

The previous prime is 363836400209. The next prime is 363836400233. The reversal of 363836400220 is 22004638363.

It is a super-2 number, since 2×363836400220² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 363836400220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1612387 + ... + 1824133.

It is an arithmetic number, because the mean of its divisors is an integer number (16228260846).

Almost surely, 2^363836400220 is an apocalyptic number.

It is an amenable number.

363836400220 is an abundant number, since it is smaller than the sum of its proper divisors (415120120388).

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

363836400220 is a wasteful number, since it uses less digits than its factorization.

363836400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213430 (or 213428 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 363836400220 in words is "three hundred sixty-three billion, eight hundred thirty-six million, four hundred thousand, two hundred twenty".