20152234245 has 32 divisors (see below), whose sum is σ = 37880567424. Its totient is φ = 9019180800.

The previous prime is 20152234229. The next prime is 20152234283. The reversal of 20152234245 is 54243225102.

It is not a de Polignac number, because 20152234245 - 2⁴ = 20152234229 is a prime.

It is a super-2 number, since 2×20152234245² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4695346 + ... + 4699635.

It is an arithmetic number, because the mean of its divisors is an integer number (1183767732).

Almost surely, 2^20152234245 is an apocalyptic number.

It is an amenable number.

20152234245 is a deficient number, since it is larger than the sum of its proper divisors (17728333179).

20152234245 is a wasteful number, since it uses less digits than its factorization.

20152234245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395013.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 20152234245 its reverse (54243225102), we get a palindrome (74395459347).

The spelling of 20152234245 in words is "twenty billion, one hundred fifty-two million, two hundred thirty-four thousand, two hundred forty-five".