20102311201 has 24 divisors (see below), whose sum is σ = 25032348000. Its totient is φ = 16046964864.

The previous prime is 20102311183. The next prime is 20102311247. The reversal of 20102311201 is 10211320102.

It is not a de Polignac number, because 20102311201 - 2¹³ = 20102303009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102311261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128056 + ... + 237913.

It is an arithmetic number, because the mean of its divisors is an integer number (1043014500).

Almost surely, 2^20102311201 is an apocalyptic number.

It is an amenable number.

20102311201 is a deficient number, since it is larger than the sum of its proper divisors (4930036799).

20102311201 is a wasteful number, since it uses less digits than its factorization.

20102311201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366061 (or 366054 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20102311201 its reverse (10211320102), we get a palindrome (30313631303).

The spelling of 20102311201 in words is "twenty billion, one hundred two million, three hundred eleven thousand, two hundred one".