33100213020 has 48 divisors (see below), whose sum is σ = 105920683008. Its totient is φ = 7565762880.

The previous prime is 33100213009. The next prime is 33100213021. The reversal of 33100213020 is 2031200133.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33100213021) 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, 39404596 + ... + 39405435.

It is an arithmetic number, because the mean of its divisors is an integer number (2206680896).

Almost surely, 2^33100213020 is an apocalyptic number.

33100213020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33100213020 is an abundant number, since it is smaller than the sum of its proper divisors (72820469988).

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

33100213020 is a wasteful number, since it uses less digits than its factorization.

33100213020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78810050 (or 78810048 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 33100213020 its reverse (2031200133), we get a palindrome (35131413153).

The spelling of 33100213020 in words is "thirty-three billion, one hundred million, two hundred thirteen thousand, twenty".