133010021020 has 24 divisors (see below), whose sum is σ = 279360799200. Its totient is φ = 53196436032.

The previous prime is 133010021017. The next prime is 133010021047. The reversal of 133010021020 is 20120010331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328155 + ... + 611314.

It is an arithmetic number, because the mean of its divisors is an integer number (11640033300).

Almost surely, 2^133010021020 is an apocalyptic number.

133010021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133010021020 is an abundant number, since it is smaller than the sum of its proper divisors (146350778180).

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

133010021020 is a wasteful number, since it uses less digits than its factorization.

133010021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946557 (or 946555 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 133010021020 its reverse (20120010331), we get a palindrome (153130031351).

The spelling of 133010021020 in words is "one hundred thirty-three billion, ten million, twenty-one thousand, twenty".