20244022215 has 16 divisors (see below), whose sum is σ = 32704908288. Its totient is φ = 10691987616.

The previous prime is 20244022213. The next prime is 20244022247. The reversal of 20244022215 is 51222044202.

It is not a de Polignac number, because 20244022215 - 2¹ = 20244022213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20244022213) 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, 6549919 + ... + 6553008.

It is an arithmetic number, because the mean of its divisors is an integer number (2044056768).

Almost surely, 2^20244022215 is an apocalyptic number.

20244022215 is a deficient number, since it is larger than the sum of its proper divisors (12460886073).

20244022215 is a wasteful number, since it uses less digits than its factorization.

20244022215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13103038.

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 20244022215 its reverse (51222044202), we get a palindrome (71466066417).

The spelling of 20244022215 in words is "twenty billion, two hundred forty-four million, twenty-two thousand, two hundred fifteen".