20130233333442 has 32 divisors (see below), whose sum is σ = 42424667678400. Its totient is φ = 6350131427328.

The previous prime is 20130233333393. The next prime is 20130233333443. The reversal of 20130233333442 is 24433333203102.

It is not an unprimeable number, because it can be changed into a prime (20130233333443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94119967 + ... + 94333602.

It is an arithmetic number, because the mean of its divisors is an integer number (1325770864950).

Almost surely, 2^{20130233333442} is an apocalyptic number.

20130233333442 is an abundant number, since it is smaller than the sum of its proper divisors (22294434344958).

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

20130233333442 is a wasteful number, since it uses less digits than its factorization.

20130233333442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188454530.

The product of its (nonzero) digits is 93312, while the sum is 33.

Adding to 20130233333442 its reverse (24433333203102), we get a palindrome (44563566536544).

The spelling of 20130233333442 in words is "twenty trillion, one hundred thirty billion, two hundred thirty-three million, three hundred thirty-three thousand, four hundred forty-two".