33420013242 has 64 divisors (see below), whose sum is σ = 86956222464. Its totient is φ = 8303106240.

The previous prime is 33420013229. The next prime is 33420013247. The reversal of 33420013242 is 24231002433.

It is a super-2 number, since 2×33420013242² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420013247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1561933 + ... + 1583184.

It is an arithmetic number, because the mean of its divisors is an integer number (1358690976).

Almost surely, 2^33420013242 is an apocalyptic number.

33420013242 is an abundant number, since it is smaller than the sum of its proper divisors (53536209222).

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

33420013242 is a wasteful number, since it uses less digits than its factorization.

33420013242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145163.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33420013242 its reverse (24231002433), we get a palindrome (57651015675).

The spelling of 33420013242 in words is "thirty-three billion, four hundred twenty million, thirteen thousand, two hundred forty-two".