20113102 has 4 divisors (see below), whose sum is σ = 30169656. Its totient is φ = 10056550.

The previous prime is 20113099. The next prime is 20113123. The reversal of 20113102 is 20131102.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5028274 + ... + 5028277.

It is an arithmetic number, because the mean of its divisors is an integer number (7542414).

Almost surely, 2^20113102 is an apocalyptic number.

20113102 is a deficient number, since it is larger than the sum of its proper divisors (10056554).

20113102 is a wasteful number, since it uses less digits than its factorization.

20113102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10056553.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 20113102 is about 4484.7633159399. The cubic root of 20113102 is about 271.9524769194.

Adding to 20113102 its reverse (20131102), we get a palindrome (40244204).

The spelling of 20113102 in words is "twenty million, one hundred thirteen thousand, one hundred two".