20140164532 has 12 divisors (see below), whose sum is σ = 35257705056. Its totient is φ = 10066534520.

The previous prime is 20140164529. The next prime is 20140164547. The reversal of 20140164532 is 23546104102.

It is a self number, because there is not a number n which added to its sum of digits gives 20140164532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 874144 + ... + 896887.

It is an arithmetic number, because the mean of its divisors is an integer number (2938142088).

Almost surely, 2^20140164532 is an apocalyptic number.

It is an amenable number.

20140164532 is a deficient number, since it is larger than the sum of its proper divisors (15117540524).

20140164532 is a wasteful number, since it uses less digits than its factorization.

20140164532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773878 (or 1773876 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 20140164532 its reverse (23546104102), we get a palindrome (43686268634).

The spelling of 20140164532 in words is "twenty billion, one hundred forty million, one hundred sixty-four thousand, five hundred thirty-two".