20210001201 has 16 divisors (see below), whose sum is σ = 32243877120. Its totient is φ = 12436923600.

The previous prime is 20210001179. The next prime is 20210001221. The reversal of 20210001201 is 10210001202.

It is not a de Polignac number, because 20210001201 - 2²² = 20205806897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20210001221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28788825 + ... + 28789526.

It is an arithmetic number, because the mean of its divisors is an integer number (2015242320).

Almost surely, 2^20210001201 is an apocalyptic number.

It is an amenable number.

20210001201 is a deficient number, since it is larger than the sum of its proper divisors (12033875919).

20210001201 is a wasteful number, since it uses less digits than its factorization.

20210001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57578373 (or 57578367 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20210001201 its reverse (10210001202), we get a palindrome (30420002403).

Subtracting from 20210001201 its reverse (10210001202), we obtain a palindrome (9999999999).

The spelling of 20210001201 in words is "twenty billion, two hundred ten million, one thousand, two hundred one".