20122113 has 16 divisors (see below), whose sum is σ = 29405376. Its totient is φ = 12138240.

The previous prime is 20122093. The next prime is 20122133. The reversal of 20122113 is 31122102.

It is an interprime number because it is at equal distance from previous prime (20122093) and next prime (20122133).

It is not a de Polignac number, because 20122113 - 2⁶ = 20122049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20122133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6381 + ... + 8997.

It is an arithmetic number, because the mean of its divisors is an integer number (1837836).

Almost surely, 2^20122113 is an apocalyptic number.

It is an amenable number.

20122113 is a deficient number, since it is larger than the sum of its proper divisors (9283263).

20122113 is a wasteful number, since it uses less digits than its factorization.

20122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 20122113 is about 4485.7678272510. The cubic root of 20122113 is about 271.9930839144.

Adding to 20122113 its reverse (31122102), we get a palindrome (51244215).

The spelling of 20122113 in words is "twenty million, one hundred twenty-two thousand, one hundred thirteen".