20231025 has 24 divisors (see below), whose sum is σ = 33774624. Its totient is φ = 10684800.

The previous prime is 20231023. The next prime is 20231039. The reversal of 20231025 is 52013202.

It is not a de Polignac number, because 20231025 - 2¹ = 20231023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20230995 and 20231013.

It is not an unprimeable number, because it can be changed into a prime (20231023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6765 + ... + 9285.

It is an arithmetic number, because the mean of its divisors is an integer number (1407276).

Almost surely, 2^20231025 is an apocalyptic number.

20231025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20231025 is a deficient number, since it is larger than the sum of its proper divisors (13543599).

20231025 is a wasteful number, since it uses less digits than its factorization.

20231025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641 (or 2636 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 20231025 is about 4497.8911725385. The cubic root of 20231025 is about 272.4829268545.

Adding to 20231025 its reverse (52013202), we get a palindrome (72244227).

The spelling of 20231025 in words is "twenty million, two hundred thirty-one thousand, twenty-five".