33234031220 has 48 divisors (see below), whose sum is σ = 77191414608. Its totient is φ = 11939374080.

The previous prime is 33234031219. The next prime is 33234031273. The reversal of 33234031220 is 2213043233.

It can be written as a sum of positive squares in 8 ways, for example, as 662444644 + 32571586576 = 25738^2 + 180476^2 .

It is a super-2 number, since 2×33234031220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1717721 + ... + 1736960.

It is an arithmetic number, because the mean of its divisors is an integer number (1608154471).

Almost surely, 2^33234031220 is an apocalyptic number.

It is an amenable number.

33234031220 is an abundant number, since it is smaller than the sum of its proper divisors (43957383388).

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

33234031220 is a wasteful number, since it uses less digits than its factorization.

33234031220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454740 (or 3454738 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 33234031220 its reverse (2213043233), we get a palindrome (35447074453).

The spelling of 33234031220 in words is "thirty-three billion, two hundred thirty-four million, thirty-one thousand, two hundred twenty".