20220015 has 8 divisors (see below), whose sum is σ = 32352048. Its totient is φ = 10784000.

The previous prime is 20220007. The next prime is 20220023. The reversal of 20220015 is 51002202.

It is an interprime number because it is at equal distance from previous prime (20220007) and next prime (20220023).

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

It is not a de Polignac number, because 20220015 - 2³ = 20220007 is a prime.

It is a congruent number.

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, 673986 + ... + 674015.

It is an arithmetic number, because the mean of its divisors is an integer number (4044006).

Almost surely, 2^20220015 is an apocalyptic number.

20220015 is a deficient number, since it is larger than the sum of its proper divisors (12132033).

20220015 is a wasteful number, since it uses less digits than its factorization.

20220015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348009.

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

The square root of 20220015 is about 4496.6670990857. The cubic root of 20220015 is about 272.4334882421.

Adding to 20220015 its reverse (51002202), we get a palindrome (71222217).

The spelling of 20220015 in words is "twenty million, two hundred twenty thousand, fifteen".