33342144420 has 96 divisors (see below), whose sum is σ = 101515744512. Its totient is φ = 8127595008.

The previous prime is 33342144383. The next prime is 33342144461. The reversal of 33342144420 is 2444124333.

It is a happy number.

It is a super-2 number, since 2×33342144420² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127167 + ... + 287846.

It is an arithmetic number, because the mean of its divisors is an integer number (1057455672).

Almost surely, 2^33342144420 is an apocalyptic number.

33342144420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33342144420 is an abundant number, since it is smaller than the sum of its proper divisors (68173600092).

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

33342144420 is a wasteful number, since it uses less digits than its factorization.

33342144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415141 (or 415139 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 33342144420 its reverse (2444124333), we get a palindrome (35786268753).

The spelling of 33342144420 in words is "thirty-three billion, three hundred forty-two million, one hundred forty-four thousand, four hundred twenty".