35663220665420 has 48 divisors (see below), whose sum is σ = 79138198056960. Its totient is φ = 13472336070336.

The previous prime is 35663220665417. The next prime is 35663220665431. The reversal of 35663220665420 is 2456602236653.

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, 490651892 + ... + 490724571.

It is an arithmetic number, because the mean of its divisors is an integer number (1648712459520).

Almost surely, 2^{35663220665420} is an apocalyptic number.

It is an amenable number.

35663220665420 is an abundant number, since it is smaller than the sum of its proper divisors (43474977391540).

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

35663220665420 is a wasteful number, since it uses less digits than its factorization.

35663220665420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981376574 (or 981376572 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 50.

The spelling of 35663220665420 in words is "thirty-five trillion, six hundred sixty-three billion, two hundred twenty million, six hundred sixty-five thousand, four hundred twenty".