20030031132 has 12 divisors (see below), whose sum is σ = 46736739336. Its totient is φ = 6676677040.

The previous prime is 20030031121. The next prime is 20030031139. The reversal of 20030031132 is 23113003002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030031139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834584619 + ... + 834584642.

It is an arithmetic number, because the mean of its divisors is an integer number (3894728278).

Almost surely, 2^20030031132 is an apocalyptic number.

It is an amenable number.

20030031132 is an abundant number, since it is smaller than the sum of its proper divisors (26706708204).

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

20030031132 is a wasteful number, since it uses less digits than its factorization.

20030031132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669169268 (or 1669169266 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20030031132 its reverse (23113003002), we get a palindrome (43143034134).

The spelling of 20030031132 in words is "twenty billion, thirty million, thirty-one thousand, one hundred thirty-two".