20113260 has 24 divisors (see below), whose sum is σ = 56317296. Its totient is φ = 5363520.

The previous prime is 20113253. The next prime is 20113271. The reversal of 20113260 is 6231102.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 167551 + ... + 167670.

It is an arithmetic number, because the mean of its divisors is an integer number (2346554).

Almost surely, 2^20113260 is an apocalyptic number.

20113260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113260 is an abundant number, since it is smaller than the sum of its proper divisors (36204036).

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

20113260 is a wasteful number, since it uses less digits than its factorization.

20113260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335233 (or 335231 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20113260 is about 4484.7809311047. The cubic root of 20113260 is about 271.9531890320.

Adding to 20113260 its reverse (6231102), we get a palindrome (26344362).

The spelling of 20113260 in words is "twenty million, one hundred thirteen thousand, two hundred sixty".