361663020 has 36 divisors (see below), whose sum is σ = 1097045040. Its totient is φ = 96443424.

The previous prime is 361662989. The next prime is 361663021. The reversal of 361663020 is 20366163.

361663020 is a `hidden beast` number, since 3 + 6 + 1 + 6 + 630 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (361663021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004440 + ... + 1004799.

Almost surely, 2^361663020 is an apocalyptic number.

361663020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

361663020 is an abundant number, since it is smaller than the sum of its proper divisors (735382020).

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

361663020 is a wasteful number, since it uses less digits than its factorization.

361663020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009254 (or 2009249 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 361663020 is about 19017.4398907950. The cubic root of 361663020 is about 712.4723830478.

The spelling of 361663020 in words is "three hundred sixty-one million, six hundred sixty-three thousand, twenty".