20200120201 has 8 divisors (see below), whose sum is σ = 20910213000. Its totient is φ = 19490929920.

The previous prime is 20200120169. The next prime is 20200120207. The reversal of 20200120201 is 10202100202.

It can be written as a sum of positive squares in 4 ways, for example, as 1868314176 + 18331806025 = 43224^2 + 135395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20200120201 - 2⁵ = 20200120169 is a prime.

It is a super-2 number, since 2×20200120201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20200120207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179920 + ... + 269761.

It is an arithmetic number, because the mean of its divisors is an integer number (2613776625).

Almost surely, 2^20200120201 is an apocalyptic number.

It is an amenable number.

20200120201 is a deficient number, since it is larger than the sum of its proper divisors (710092799).

20200120201 is a wasteful number, since it uses less digits than its factorization.

20200120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451259.

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

Adding to 20200120201 its reverse (10202100202), we get a palindrome (30402220403).

The spelling of 20200120201 in words is "twenty billion, two hundred million, one hundred twenty thousand, two hundred one".