20221230 has 24 divisors (see below), whose sum is σ = 48590136. Its totient is φ = 5385760.

The previous prime is 20221213. The next prime is 20221231. The reversal of 20221230 is 3212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24220 + ... + 25040.

It is an arithmetic number, because the mean of its divisors is an integer number (2024589).

Almost surely, 2^20221230 is an apocalyptic number.

20221230 is an abundant number, since it is smaller than the sum of its proper divisors (28368906).

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

20221230 is an frugal number, since it uses more digits than its factorization.

20221230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 20221230 is about 4496.8021971174. The cubic root of 20221230 is about 272.4389448826.

Adding to 20221230 its reverse (3212202), we get a palindrome (23433432).

Subtracting from 20221230 its reverse (3212202), we obtain a triangular number (17009028 = T₅₈₃₂).

The spelling of 20221230 in words is "twenty million, two hundred twenty-one thousand, two hundred thirty".