20233401 has 16 divisors (see below), whose sum is σ = 27801600. Its totient is φ = 13083408.

The previous prime is 20233363. The next prime is 20233427. The reversal of 20233401 is 10433202.

It is a de Polignac number, because none of the positive numbers 2^k-20233401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20233471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13260 + ... + 14706.

It is an arithmetic number, because the mean of its divisors is an integer number (1737600).

Almost surely, 2^20233401 is an apocalyptic number.

It is an amenable number.

20233401 is a deficient number, since it is larger than the sum of its proper divisors (7568199).

20233401 is a wasteful number, since it uses less digits than its factorization.

20233401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 20233401 is about 4498.1552885600. The cubic root of 20233401 is about 272.4935935424.

Adding to 20233401 its reverse (10433202), we get a palindrome (30666603).

The spelling of 20233401 in words is "twenty million, two hundred thirty-three thousand, four hundred one".