20023330132 has 12 divisors (see below), whose sum is σ = 37736276116. Its totient is φ = 9241536960.

The previous prime is 20023330123. The next prime is 20023330141. The reversal of 20023330132 is 23103332002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20023330123) and next prime (20023330141).

It can be written as a sum of positive squares in 2 ways, for example, as 2560764816 + 17462565316 = 50604^2 + 132146^2 .

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, 192531969 + ... + 192532072.

Almost surely, 2^20023330132 is an apocalyptic number.

It is an amenable number.

20023330132 is a deficient number, since it is larger than the sum of its proper divisors (17712945984).

20023330132 is a wasteful number, since it uses less digits than its factorization.

20023330132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385064058 (or 385064056 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20023330132 its reverse (23103332002), we get a palindrome (43126662134).

The spelling of 20023330132 in words is "twenty billion, twenty-three million, three hundred thirty thousand, one hundred thirty-two".