20152234415 has 64 divisors (see below), whose sum is σ = 26998272000. Its totient is φ = 14387433984.

The previous prime is 20152234409. The next prime is 20152234441. The reversal of 20152234415 is 51443225102.

It is not a de Polignac number, because 20152234415 - 2¹⁰ = 20152233391 is a prime.

It is a super-2 number, since 2×20152234415² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13009061 + ... + 13010609.

It is an arithmetic number, because the mean of its divisors is an integer number (421848000).

Almost surely, 2^20152234415 is an apocalyptic number.

20152234415 is a deficient number, since it is larger than the sum of its proper divisors (6846037585).

20152234415 is a wasteful number, since it uses less digits than its factorization.

20152234415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 20152234415 its reverse (51443225102), we get a palindrome (71595459517).

The spelling of 20152234415 in words is "twenty billion, one hundred fifty-two million, two hundred thirty-four thousand, four hundred fifteen".