20001023132 has 48 divisors (see below), whose sum is σ = 37680921600. Its totient is φ = 9261345600.

The previous prime is 20001023131. The next prime is 20001023149. The reversal of 20001023132 is 23132010002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001023131) 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, 589913 + ... + 622895.

It is an arithmetic number, because the mean of its divisors is an integer number (785019200).

Almost surely, 2^20001023132 is an apocalyptic number.

It is an amenable number.

20001023132 is a deficient number, since it is larger than the sum of its proper divisors (17679898468).

20001023132 is a wasteful number, since it uses less digits than its factorization.

20001023132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33186 (or 33184 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20001023132 its reverse (23132010002), we get a palindrome (43133033134).

The spelling of 20001023132 in words is "twenty billion, one million, twenty-three thousand, one hundred thirty-two".