20223434 has 16 divisors (see below), whose sum is σ = 37820736. Its totient is φ = 7879200.

The previous prime is 20223403. The next prime is 20223443. The reversal of 20223434 is 43432202.

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, 65507 + ... + 65814.

It is an arithmetic number, because the mean of its divisors is an integer number (2363796).

Almost surely, 2^20223434 is an apocalyptic number.

20223434 is a deficient number, since it is larger than the sum of its proper divisors (17597302).

20223434 is a wasteful number, since it uses less digits than its factorization.

20223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131341.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 20223434 is about 4497.0472534764. The cubic root of 20223434 is about 272.4488426257.

Adding to 20223434 its reverse (43432202), we get a palindrome (63655636).

The spelling of 20223434 in words is "twenty million, two hundred twenty-three thousand, four hundred thirty-four".