20201020022 has 4 divisors (see below), whose sum is σ = 30301530036. Its totient is φ = 10100510010.

The previous prime is 20201020003. The next prime is 20201020033. The reversal of 20201020022 is 22002010202.

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 = 20201019985 and 20201020012.

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, 5050255004 + ... + 5050255007.

It is an arithmetic number, because the mean of its divisors is an integer number (7575382509).

Almost surely, 2^20201020022 is an apocalyptic number.

20201020022 is a deficient number, since it is larger than the sum of its proper divisors (10100510014).

20201020022 is a wasteful number, since it uses less digits than its factorization.

20201020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10100510013.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 20201020022 its reverse (22002010202), we get a palindrome (42203030224).

The spelling of 20201020022 in words is "twenty billion, two hundred one million, twenty thousand, twenty-two".