20113353492 has 24 divisors (see below), whose sum is σ = 46941812736. Its totient is φ = 6702929088.

The previous prime is 20113353479. The next prime is 20113353493. The reversal of 20113353492 is 29435331102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113353493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134548 + ... + 241515.

It is an arithmetic number, because the mean of its divisors is an integer number (1955908864).

Almost surely, 2^20113353492 is an apocalyptic number.

It is an amenable number.

20113353492 is an abundant number, since it is smaller than the sum of its proper divisors (26828459244).

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

20113353492 is a wasteful number, since it uses less digits than its factorization.

20113353492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380527 (or 380525 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

Adding to 20113353492 its reverse (29435331102), we get a palindrome (49548684594).

The spelling of 20113353492 in words is "twenty billion, one hundred thirteen million, three hundred fifty-three thousand, four hundred ninety-two".