366478020 has 72 divisors (see below), whose sum is σ = 1152837504. Its totient is φ = 97726176.

The previous prime is 366477989. The next prime is 366478037. The reversal of 366478020 is 20874663.

366478020 is a `hidden beast` number, since 3 + 6 + 647 + 8 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×366478020² = 268612278286240800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32844 + ... + 42563.

It is an arithmetic number, because the mean of its divisors is an integer number (16011632).

Almost surely, 2^366478020 is an apocalyptic number.

366478020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

366478020 is an abundant number, since it is smaller than the sum of its proper divisors (786359484).

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

366478020 is a wasteful number, since it uses less digits than its factorization.

366478020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75431 (or 75417 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 366478020 is about 19143.6156459536. The cubic root of 366478020 is about 715.6202875175.

The spelling of 366478020 in words is "three hundred sixty-six million, four hundred seventy-eight thousand, twenty".