33113321020 has 24 divisors (see below), whose sum is σ = 74887049664. Its totient is φ = 12226456896.

The previous prime is 33113320991. The next prime is 33113321039. The reversal of 33113321020 is 2012331133.

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, 63679204 + ... + 63679723.

It is an arithmetic number, because the mean of its divisors is an integer number (3120293736).

Almost surely, 2^33113321020 is an apocalyptic number.

It is an amenable number.

33113321020 is an abundant number, since it is smaller than the sum of its proper divisors (41773728644).

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

33113321020 is a wasteful number, since it uses less digits than its factorization.

33113321020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127358949 (or 127358947 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33113321020 its reverse (2012331133), we get a palindrome (35125652153).

It can be divided in two parts, 3311 and 3321020, that added together give a triangular number (3324331 = T₂₅₇₈).

The spelling of 33113321020 in words is "thirty-three billion, one hundred thirteen million, three hundred twenty-one thousand, twenty".