133218763020 has 96 divisors (see below), whose sum is σ = 473666726400. Its totient is φ = 30450002112.

The previous prime is 133218763009. The next prime is 133218763057. The reversal of 133218763020 is 20367812331.

133218763020 is a `hidden beast` number, since 1 + 3 + 3 + 2 + 18 + 7 + 630 + 2 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17617750 + ... + 17625309.

It is an arithmetic number, because the mean of its divisors is an integer number (4934028400).

Almost surely, 2^133218763020 is an apocalyptic number.

133218763020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133218763020 is an abundant number, since it is smaller than the sum of its proper divisors (340447963380).

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

133218763020 is a wasteful number, since it uses less digits than its factorization.

133218763020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35243084 (or 35243076 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 133218763020 in words is "one hundred thirty-three billion, two hundred eighteen million, seven hundred sixty-three thousand, twenty".