20202015 has 16 divisors (see below), whose sum is σ = 32400000. Its totient is φ = 10748832.

The previous prime is 20202011. The next prime is 20202019. The reversal of 20202015 is 51020202.

It is an interprime number because it is at equal distance from previous prime (20202011) and next prime (20202019).

It is not a de Polignac number, because 20202015 - 2² = 20202011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202011) 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, 6136 + ... + 8834.

It is an arithmetic number, because the mean of its divisors is an integer number (2025000).

Almost surely, 2^20202015 is an apocalyptic number.

20202015 is a deficient number, since it is larger than the sum of its proper divisors (12197985).

20202015 is a wasteful number, since it uses less digits than its factorization.

20202015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3206.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 20202015 is about 4494.6651710667. The cubic root of 20202015 is about 272.3526235041.

Adding to 20202015 its reverse (51020202), we get a palindrome (71222217).

The spelling of 20202015 in words is "twenty million, two hundred two thousand, fifteen".