20112215301 has 16 divisors (see below), whose sum is σ = 30154864320. Its totient is φ = 13246598160.

The previous prime is 20112215297. The next prime is 20112215341. The reversal of 20112215301 is 10351221102.

20112215301 is a `hidden beast` number, since 2 + 0 + 112 + 21 + 530 + 1 = 666.

It is not a de Polignac number, because 20112215301 - 2² = 20112215297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112215341) 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, 4485090 + ... + 4489571.

It is an arithmetic number, because the mean of its divisors is an integer number (1884679020).

Almost surely, 2^20112215301 is an apocalyptic number.

It is an amenable number.

20112215301 is a deficient number, since it is larger than the sum of its proper divisors (10042649019).

20112215301 is an equidigital number, since it uses as much as digits as its factorization.

20112215301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8974753 (or 8974747 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 20112215301 its reverse (10351221102), we get a palindrome (30463436403).

The spelling of 20112215301 in words is "twenty billion, one hundred twelve million, two hundred fifteen thousand, three hundred one".