20020102201 has 4 divisors (see below), whose sum is σ = 21840111504. Its totient is φ = 18200092900.

The previous prime is 20020102177. The next prime is 20020102231. The reversal of 20020102201 is 10220102002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20020102201 - 2⁵ = 20020102169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20020102231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910004635 + ... + 910004656.

It is an arithmetic number, because the mean of its divisors is an integer number (5460027876).

Almost surely, 2^20020102201 is an apocalyptic number.

It is an amenable number.

20020102201 is a deficient number, since it is larger than the sum of its proper divisors (1820009303).

20020102201 is a wasteful number, since it uses less digits than its factorization.

20020102201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820009302.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020102201 its reverse (10220102002), we get a palindrome (30240204203).

It can be divided in two parts, 20020 and 102201, that added together give a palindrome (122221).

The spelling of 20020102201 in words is "twenty billion, twenty million, one hundred two thousand, two hundred one".