33020001998 has 16 divisors (see below), whose sum is σ = 53246142720. Its totient is φ = 15308264376.

The previous prime is 33020001961. The next prime is 33020002117. The reversal of 33020001998 is 89910002033.

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, 9242336 + ... + 9245907.

It is an arithmetic number, because the mean of its divisors is an integer number (3327883920).

Almost surely, 2^33020001998 is an apocalyptic number.

33020001998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33020001998 is a deficient number, since it is larger than the sum of its proper divisors (20226140722).

33020001998 is a wasteful number, since it uses less digits than its factorization.

33020001998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18488311.

The product of its (nonzero) digits is 11664, while the sum is 35.

Adding to 33020001998 its sum of digits (35), we get a palindrome (33020002033).

The spelling of 33020001998 in words is "thirty-three billion, twenty million, one thousand, nine hundred ninety-eight".