20230101 has 32 divisors (see below), whose sum is σ = 31069440. Its totient is φ = 13003200.

The previous prime is 20230099. The next prime is 20230103. The reversal of 20230101 is 10103202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20230099) and next prime (20230103).

It is not a de Polignac number, because 20230101 - 2¹ = 20230099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20230103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116851 + ... + 117023.

It is an arithmetic number, because the mean of its divisors is an integer number (970920).

Almost surely, 2^20230101 is an apocalyptic number.

It is an amenable number.

20230101 is a deficient number, since it is larger than the sum of its proper divisors (10839339).

20230101 is a wasteful number, since it uses less digits than its factorization.

20230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 20230101 is about 4497.7884565640. The cubic root of 20230101 is about 272.4787784725.

Adding to 20230101 its reverse (10103202), we get a palindrome (30333303).

It can be divided in two parts, 202 and 30101, that added together give a palindrome (30303).

The spelling of 20230101 in words is "twenty million, two hundred thirty thousand, one hundred one".