20231001444 has 24 divisors (see below), whose sum is σ = 47225969280. Its totient is φ = 6740767264.

The previous prime is 20231001409. The next prime is 20231001449. The reversal of 20231001444 is 44410013202.

It is a self number, because there is not a number n which added to its sum of digits gives 20231001444.

It is not an unprimeable number, because it can be changed into a prime (20231001449) 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, 333324 + ... + 389315.

It is an arithmetic number, because the mean of its divisors is an integer number (1967748720).

Almost surely, 2^20231001444 is an apocalyptic number.

It is an amenable number.

20231001444 is an abundant number, since it is smaller than the sum of its proper divisors (26994967836).

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

20231001444 is a wasteful number, since it uses less digits than its factorization.

20231001444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724979 (or 724977 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20231001444 its reverse (44410013202), we get a palindrome (64641014646).

The spelling of 20231001444 in words is "twenty billion, two hundred thirty-one million, one thousand, four hundred forty-four".