20231030 has 16 divisors (see below), whose sum is σ = 37999584. Its totient is φ = 7740480.

The previous prime is 20231023. The next prime is 20231039. The reversal of 20231030 is 3013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231039) 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, 43751 + ... + 44210.

It is an arithmetic number, because the mean of its divisors is an integer number (2374974).

Almost surely, 2^20231030 is an apocalyptic number.

20231030 is a deficient number, since it is larger than the sum of its proper divisors (17768554).

20231030 is a wasteful number, since it uses less digits than its factorization.

20231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87991.

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20231030 is about 4497.8917283545. The cubic root of 20231030 is about 272.4829493021.

Adding to 20231030 its reverse (3013202), we get a palindrome (23244232).

The spelling of 20231030 in words is "twenty million, two hundred thirty-one thousand, thirty".