20113200351 has 12 divisors (see below), whose sum is σ = 29670537312. Its totient is φ = 13123506336.

The previous prime is 20113200347. The next prime is 20113200377. The reversal of 20113200351 is 15300231102.

20113200351 is a `hidden beast` number, since 2 + 0 + 113 + 200 + 351 = 666.

It is not a de Polignac number, because 20113200351 - 2² = 20113200347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113280351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23774046 + ... + 23774891.

It is an arithmetic number, because the mean of its divisors is an integer number (2472544776).

Almost surely, 2^20113200351 is an apocalyptic number.

20113200351 is a deficient number, since it is larger than the sum of its proper divisors (9557336961).

20113200351 is a wasteful number, since it uses less digits than its factorization.

20113200351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47548990 (or 47548987 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 20113200351 its reverse (15300231102), we get a palindrome (35413431453).

The spelling of 20113200351 in words is "twenty billion, one hundred thirteen million, two hundred thousand, three hundred fifty-one".