20102995 has 8 divisors (see below), whose sum is σ = 26316720. Its totient is φ = 14620320.

The previous prime is 20102983. The next prime is 20103047. The reversal of 20102995 is 59920102.

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

It is not a de Polignac number, because 20102995 - 2²¹ = 18005843 is a prime.

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, 182700 + ... + 182809.

It is an arithmetic number, because the mean of its divisors is an integer number (3289590).

Almost surely, 2^20102995 is an apocalyptic number.

20102995 is a deficient number, since it is larger than the sum of its proper divisors (6213725).

20102995 is a wasteful number, since it uses less digits than its factorization.

20102995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365525.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 20102995 is about 4483.6363590282. The cubic root of 20102995 is about 271.9069164979.

It can be divided in two parts, 2010 and 2995, that added together give a palindrome (5005).

The spelling of 20102995 in words is "twenty million, one hundred two thousand, nine hundred ninety-five".