33001100020 has 24 divisors (see below), whose sum is σ = 79202640384. Its totient is φ = 11314662816.

The previous prime is 33001100017. The next prime is 33001100047. The reversal of 33001100020 is 2000110033.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117860932 + ... + 117861211.

It is an arithmetic number, because the mean of its divisors is an integer number (3300110016).

Almost surely, 2^33001100020 is an apocalyptic number.

It is an amenable number.

33001100020 is an abundant number, since it is smaller than the sum of its proper divisors (46201540364).

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

33001100020 is a wasteful number, since it uses less digits than its factorization.

33001100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235722159 (or 235722157 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

Adding to 33001100020 its reverse (2000110033), we get a palindrome (35001210053).

The spelling of 33001100020 in words is "thirty-three billion, one million, one hundred thousand, twenty".