20140161332 has 48 divisors (see below), whose sum is σ = 36295938000. Its totient is φ = 9774535680.

The previous prime is 20140161331. The next prime is 20140161389. The reversal of 20140161332 is 23316104102.

It can be written as a sum of positive squares in 8 ways, for example, as 1786414756 + 18353746576 = 42266^2 + 135476^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20140161298 and 20140161307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20140161331) 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, 8875094 + ... + 8877362.

It is an arithmetic number, because the mean of its divisors is an integer number (756165375).

Almost surely, 2^20140161332 is an apocalyptic number.

It is an amenable number.

20140161332 is a deficient number, since it is larger than the sum of its proper divisors (16155776668).

20140161332 is a wasteful number, since it uses less digits than its factorization.

20140161332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20140161332 its reverse (23316104102), we get a palindrome (43456265434).

The spelling of 20140161332 in words is "twenty billion, one hundred forty million, one hundred sixty-one thousand, three hundred thirty-two".