33130220004 has 72 divisors (see below), whose sum is σ = 99870825600. Its totient is φ = 9054220032.

The previous prime is 33130219957. The next prime is 33130220089. The reversal of 33130220004 is 40002203133.

It is a super-2 number, since 2×33130220004² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2852229 + ... + 2863820.

It is an arithmetic number, because the mean of its divisors is an integer number (1387094800).

Almost surely, 2^33130220004 is an apocalyptic number.

It is an amenable number.

33130220004 is an abundant number, since it is smaller than the sum of its proper divisors (66740605596).

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

33130220004 is a wasteful number, since it uses less digits than its factorization.

33130220004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716089 (or 5716084 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33130220004 its reverse (40002203133), we get a palindrome (73132423137).

The spelling of 33130220004 in words is "thirty-three billion, one hundred thirty million, two hundred twenty thousand, four".