20140432532 has 24 divisors (see below), whose sum is σ = 39690239232. Its totient is φ = 8859427200.

The previous prime is 20140432531. The next prime is 20140432537. The reversal of 20140432532 is 23523404102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140432531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7381493 + ... + 7384220.

It is an arithmetic number, because the mean of its divisors is an integer number (1653759968).

Almost surely, 2^20140432532 is an apocalyptic number.

20140432532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20140432532 is a deficient number, since it is larger than the sum of its proper divisors (19549806700).

20140432532 is a wasteful number, since it uses less digits than its factorization.

20140432532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14765759 (or 14765757 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 20140432532 its reverse (23523404102), we get a palindrome (43663836634).

The spelling of 20140432532 in words is "twenty billion, one hundred forty million, four hundred thirty-two thousand, five hundred thirty-two".