2020022201 has 4 divisors (see below), whose sum is σ = 2047693812. Its totient is φ = 1992350592.

The previous prime is 2020022143. The next prime is 2020022209. The reversal of 2020022201 is 1022200202.

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 1016653225 + 1003368976 = 31885^2 + 31676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020022209) 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, 13835696 + ... + 13835841.

It is an arithmetic number, because the mean of its divisors is an integer number (511923453).

Almost surely, 2^2020022201 is an apocalyptic number.

It is an amenable number.

2020022201 is a deficient number, since it is larger than the sum of its proper divisors (27671611).

2020022201 is an equidigital number, since it uses as much as digits as its factorization.

2020022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27671610.

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

The square root of 2020022201 is about 44944.6570906932. The cubic root of 2020022201 is about 1264.1114959414. Note that the first 3 decimals are identical.

Adding to 2020022201 its reverse (1022200202), we get a palindrome (3042222403).

The spelling of 2020022201 in words is "two billion, twenty million, twenty-two thousand, two hundred one".