20233790 has 16 divisors (see below), whose sum is σ = 38004768. Its totient is φ = 7741536.

The previous prime is 20233789. The next prime is 20233819. The reversal of 20233790 is 9733202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43757 + ... + 44216.

It is an arithmetic number, because the mean of its divisors is an integer number (2375298).

Almost surely, 2^20233790 is an apocalyptic number.

20233790 is a deficient number, since it is larger than the sum of its proper divisors (17770978).

20233790 is a wasteful number, since it uses less digits than its factorization.

20233790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88003.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 20233790 is about 4498.1985283000. The cubic root of 20233790 is about 272.4953398187.

Adding to 20233790 its reverse (9733202), we get a palindrome (29966992).

The spelling of 20233790 in words is "twenty million, two hundred thirty-three thousand, seven hundred ninety".