20113334133542 has 16 divisors (see below), whose sum is σ = 33246369839760. Its totient is φ = 9067191773472.

The previous prime is 20113334133511. The next prime is 20113334133553. The reversal of 20113334133542 is 24533143331102.

It is a congruent number.

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, 8995228817 + ... + 8995231052.

It is an arithmetic number, because the mean of its divisors is an integer number (2077898114985).

Almost surely, 2^{20113334133542} is an apocalyptic number.

20113334133542 is a deficient number, since it is larger than the sum of its proper divisors (13133035706218).

20113334133542 is a wasteful number, since it uses less digits than its factorization.

20113334133542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17990459927.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 20113334133542 its reverse (24533143331102), we get a palindrome (44646477464644).

The spelling of 20113334133542 in words is "twenty trillion, one hundred thirteen billion, three hundred thirty-four million, one hundred thirty-three thousand, five hundred forty-two".