33113000020 has 48 divisors (see below), whose sum is σ = 71282166480. Its totient is φ = 12916924416.

The previous prime is 33113000017. The next prime is 33113000029. The reversal of 33113000020 is 2000031133.

It can be written as a sum of positive squares in 8 ways, for example, as 42850116 + 33070149904 = 6546^2 + 181852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33113000029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524 + ... + 257356.

It is an arithmetic number, because the mean of its divisors is an integer number (1485045135).

Almost surely, 2^33113000020 is an apocalyptic number.

It is an amenable number.

33113000020 is an abundant number, since it is smaller than the sum of its proper divisors (38169166460).

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

33113000020 is a wasteful number, since it uses less digits than its factorization.

33113000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255004 (or 255002 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 33113000020 its reverse (2000031133), we get a palindrome (35113031153).

The spelling of 33113000020 in words is "thirty-three billion, one hundred thirteen million, twenty", and thus it is an aban number.