20022995 has 16 divisors (see below), whose sum is σ = 25254720. Its totient is φ = 15210624.

The previous prime is 20022971. The next prime is 20023001. The reversal of 20022995 is 59922002.

It is a cyclic number.

It is not a de Polignac number, because 20022995 - 2¹⁴ = 20006611 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17501 + ... + 18609.

It is an arithmetic number, because the mean of its divisors is an integer number (1578420).

Almost surely, 2^20022995 is an apocalyptic number.

20022995 is a deficient number, since it is larger than the sum of its proper divisors (5231725).

20022995 is a wasteful number, since it uses less digits than its factorization.

20022995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1294.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 20022995 is about 4474.7061356026. The cubic root of 20022995 is about 271.5457518706.

Adding to 20022995 its reverse (59922002), we get a palindrome (79944997).

The spelling of 20022995 in words is "twenty million, twenty-two thousand, nine hundred ninety-five".