20220435 has 20 divisors (see below), whose sum is σ = 36247728. Its totient is φ = 10784016.

The previous prime is 20220407. The next prime is 20220451. The reversal of 20220435 is 53402202.

It is not a de Polignac number, because 20220435 - 2⁷ = 20220307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24559 + ... + 25368.

Almost surely, 2^20220435 is an apocalyptic number.

20220435 is a deficient number, since it is larger than the sum of its proper divisors (16027293).

20220435 is an equidigital number, since it uses as much as digits as its factorization.

20220435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49944 (or 49935 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20220435 is about 4496.7138000989. The cubic root of 20220435 is about 272.4353745129.

Adding to 20220435 its reverse (53402202), we get a palindrome (73622637).

The spelling of 20220435 in words is "twenty million, two hundred twenty thousand, four hundred thirty-five".