20220011201 has 4 divisors (see below), whose sum is σ = 21775396692. Its totient is φ = 18664625712.

The previous prime is 20220011197. The next prime is 20220011221. The reversal of 20220011201 is 10211002202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3365740225 + 16854270976 = 58015^2 + 129824^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220011201 - 2² = 20220011197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20220011221) 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, 777692726 + ... + 777692751.

It is an arithmetic number, because the mean of its divisors is an integer number (5443849173).

Almost surely, 2^20220011201 is an apocalyptic number.

It is an amenable number.

20220011201 is a deficient number, since it is larger than the sum of its proper divisors (1555385491).

20220011201 is a wasteful number, since it uses less digits than its factorization.

20220011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555385490.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20220011201 its reverse (10211002202), we get a palindrome (30431013403).

It can be divided in two parts, 2022001 and 1201, that added together give a palindrome (2023202).

The spelling of 20220011201 in words is "twenty billion, two hundred twenty million, eleven thousand, two hundred one".