33322220420 has 24 divisors (see below), whose sum is σ = 71296979544. Its totient is φ = 13077399296.

The previous prime is 33322220413. The next prime is 33322220431. The reversal of 33322220420 is 2402222333.

It can be written as a sum of positive squares in 4 ways, for example, as 11702046976 + 21620173444 = 108176^2 + 147038^2 .

It is a super-2 number, since 2×33322220420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15716969 + ... + 15719088.

It is an arithmetic number, because the mean of its divisors is an integer number (2970707481).

Almost surely, 2^33322220420 is an apocalyptic number.

It is an amenable number.

33322220420 is an abundant number, since it is smaller than the sum of its proper divisors (37974759124).

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

33322220420 is a wasteful number, since it uses less digits than its factorization.

33322220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31436119 (or 31436117 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 33322220420 its reverse (2402222333), we get a palindrome (35724442753).

The spelling of 33322220420 in words is "thirty-three billion, three hundred twenty-two million, two hundred twenty thousand, four hundred twenty".