20013022 has 4 divisors (see below), whose sum is σ = 30019536. Its totient is φ = 10006510.

The previous prime is 20012999. The next prime is 20013031. The reversal of 20013022 is 22031002.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003254 + ... + 5003257.

It is an arithmetic number, because the mean of its divisors is an integer number (7504884).

Almost surely, 2^20013022 is an apocalyptic number.

20013022 is a deficient number, since it is larger than the sum of its proper divisors (10006514).

20013022 is a wasteful number, since it uses less digits than its factorization.

20013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006513.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 20013022 is about 4473.5916219521. The cubic root of 20013022 is about 271.5006607886.

Adding to 20013022 its reverse (22031002), we get a palindrome (42044024).

The spelling of 20013022 in words is "twenty million, thirteen thousand, twenty-two".