20200022 has 4 divisors (see below), whose sum is σ = 30300036. Its totient is φ = 10100010.

The previous prime is 20200013. The next prime is 20200027. The reversal of 20200022 is 22000202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20199982 and 20200009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050004 + ... + 5050007.

It is an arithmetic number, because the mean of its divisors is an integer number (7575009).

Almost surely, 2^20200022 is an apocalyptic number.

20200022 is a deficient number, since it is larger than the sum of its proper divisors (10100014).

20200022 is a wasteful number, since it uses less digits than its factorization.

20200022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100013.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 20200022 is about 4494.4434583161. The cubic root of 20200022 is about 272.3436670275.

Adding to 20200022 its reverse (22000202), we get a palindrome (42200224).

The spelling of 20200022 in words is "twenty million, two hundred thousand, twenty-two".