20251024144 has 40 divisors (see below), whose sum is σ = 44478472640. Its totient is φ = 8854697088.

The previous prime is 20251024109. The next prime is 20251024147. The reversal of 20251024144 is 44142015202.

It is not an unprimeable number, because it can be changed into a prime (20251024147) 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, 2558172 + ... + 2566075.

It is an arithmetic number, because the mean of its divisors is an integer number (1111961816).

Almost surely, 2^20251024144 is an apocalyptic number.

It is an amenable number.

20251024144 is an abundant number, since it is smaller than the sum of its proper divisors (24227448496).

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

20251024144 is a wasteful number, since it uses less digits than its factorization.

20251024144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124287 (or 5124281 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20251024144 its reverse (44142015202), we get a palindrome (64393039346).

It can be divided in two parts, 2025 and 1024144, that multiplied together give a square (2073891600 = 45540²).

The spelling of 20251024144 in words is "twenty billion, two hundred fifty-one million, twenty-four thousand, one hundred forty-four".