20231201532 has 12 divisors (see below), whose sum is σ = 47206136936. Its totient is φ = 6743733840.

The previous prime is 20231201513. The next prime is 20231201567. The reversal of 20231201532 is 23510213202.

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

It is a junction number, because it is equal to n+sod(n) for n = 20231201499 and 20231201508.

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, 842966719 + ... + 842966742.

Almost surely, 2^20231201532 is an apocalyptic number.

It is an amenable number.

20231201532 is an abundant number, since it is smaller than the sum of its proper divisors (26974935404).

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

20231201532 is a wasteful number, since it uses less digits than its factorization.

20231201532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685933468 (or 1685933466 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20231201532 its reverse (23510213202), we get a palindrome (43741414734).

The spelling of 20231201532 in words is "twenty billion, two hundred thirty-one million, two hundred one thousand, five hundred thirty-two".