20112342215 has 16 divisors (see below), whose sum is σ = 28103070528. Its totient is φ = 13531105536.

The previous prime is 20112342199. The next prime is 20112342259. The reversal of 20112342215 is 51224321102.

It is a cyclic number.

It is not a de Polignac number, because 20112342215 - 2⁴ = 20112342199 is a prime.

It is a super-2 number, since 2×20112342215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5419262 + ... + 5422971.

It is an arithmetic number, because the mean of its divisors is an integer number (1756441908).

Almost surely, 2^20112342215 is an apocalyptic number.

20112342215 is a deficient number, since it is larger than the sum of its proper divisors (7990728313).

20112342215 is a wasteful number, since it uses less digits than its factorization.

20112342215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10842298.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 20112342215 its reverse (51224321102), we get a palindrome (71336663317).

The spelling of 20112342215 in words is "twenty billion, one hundred twelve million, three hundred forty-two thousand, two hundred fifteen".