20030223132 has 24 divisors (see below), whose sum is σ = 51930208400. Its totient is φ = 6676741008.

The previous prime is 20030223131. The next prime is 20030223139. The reversal of 20030223132 is 23132203002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20030223131) 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, 92732407 + ... + 92732622.

Almost surely, 2^20030223132 is an apocalyptic number.

It is an amenable number.

20030223132 is an abundant number, since it is smaller than the sum of its proper divisors (31899985268).

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

20030223132 is a wasteful number, since it uses less digits than its factorization.

20030223132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185465042 (or 185465034 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20030223132 its reverse (23132203002), we get a palindrome (43162426134).

The spelling of 20030223132 in words is "twenty billion, thirty million, two hundred twenty-three thousand, one hundred thirty-two".