20231002012 has 48 divisors (see below), whose sum is σ = 38314393600. Its totient is φ = 9291775680.

The previous prime is 20231001983. The next prime is 20231002021. The reversal of 20231002012 is 21020013202.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 20231001983 and 20231002001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15817189 + ... + 15818467.

Almost surely, 2^20231002012 is an apocalyptic number.

It is an amenable number.

20231002012 is a deficient number, since it is larger than the sum of its proper divisors (18083391588).

20231002012 is a wasteful number, since it uses less digits than its factorization.

20231002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546 (or 2544 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20231002012 its reverse (21020013202), we get a palindrome (41251015214).

The spelling of 20231002012 in words is "twenty billion, two hundred thirty-one million, two thousand, twelve".