20112260 has 48 divisors (see below), whose sum is σ = 50816640. Its totient is φ = 6531840.

The previous prime is 20112251. The next prime is 20112269. The reversal of 20112260 is 6221102.

It is an interprime number because it is at equal distance from previous prime (20112251) and next prime (20112269).

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (20112269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121 + ... + 6440.

It is an arithmetic number, because the mean of its divisors is an integer number (1058680).

Almost surely, 2^20112260 is an apocalyptic number.

20112260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112260 is an abundant number, since it is smaller than the sum of its proper divisors (30704380).

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

20112260 is a wasteful number, since it uses less digits than its factorization.

20112260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596 (or 7594 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 20112260 is about 4484.6694415531. The cubic root of 20112260 is about 271.9486819275.

Adding to 20112260 its reverse (6221102), we get a palindrome (26333362).

The spelling of 20112260 in words is "twenty million, one hundred twelve thousand, two hundred sixty".