33400030020 has 48 divisors (see below), whose sum is σ = 106880097408. Its totient is φ = 7634292480.

The previous prime is 33400030019. The next prime is 33400030063. The reversal of 33400030020 is 2003000433.

It is a super-2 number, since 2×33400030020² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39761521 + ... + 39762360.

It is an arithmetic number, because the mean of its divisors is an integer number (2226668696).

Almost surely, 2^33400030020 is an apocalyptic number.

33400030020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33400030020 is an abundant number, since it is smaller than the sum of its proper divisors (73480067388).

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

33400030020 is a wasteful number, since it uses less digits than its factorization.

33400030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79523900 (or 79523898 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

Adding to 33400030020 its reverse (2003000433), we get a palindrome (35403030453).

The spelling of 33400030020 in words is "thirty-three billion, four hundred million, thirty thousand, twenty".