20164130232 has 64 divisors (see below), whose sum is σ = 51354034560. Its totient is φ = 6596054400.

The previous prime is 20164130213. The next prime is 20164130237. The reversal of 20164130232 is 23203146102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20164130237) 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, 633007 + ... + 664097.

It is an arithmetic number, because the mean of its divisors is an integer number (802406790).

Almost surely, 2^20164130232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20164130232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25677017280).

20164130232 is an abundant number, since it is smaller than the sum of its proper divisors (31189904328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20164130232 is a wasteful number, since it uses less digits than its factorization.

20164130232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31604 (or 31600 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 20164130232 its reverse (23203146102), we get a palindrome (43367276334).

The spelling of 20164130232 in words is "twenty billion, one hundred sixty-four million, one hundred thirty thousand, two hundred thirty-two".