20950113 has 8 divisors (see below), whose sum is σ = 28270368. Its totient is φ = 13798304.

The previous prime is 20950099. The next prime is 20950147. The reversal of 20950113 is 31105902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20950113 - 2⁵ = 20950081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20950113.

It is not an unprimeable number, because it can be changed into a prime (20950913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41820 + ... + 42317.

It is an arithmetic number, because the mean of its divisors is an integer number (3533796).

Almost surely, 2^20950113 is an apocalyptic number.

It is an amenable number.

20950113 is a deficient number, since it is larger than the sum of its proper divisors (7320255).

20950113 is an equidigital number, since it uses as much as digits as its factorization.

20950113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84223.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 20950113 is about 4577.1293405365. The cubic root of 20950113 is about 275.6737770329.

The spelling of 20950113 in words is "twenty million, nine hundred fifty thousand, one hundred thirteen".