20220430 has 8 divisors (see below), whose sum is σ = 36396792. Its totient is φ = 8088168.

The previous prime is 20220407. The next prime is 20220451. The reversal of 20220430 is 3402202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20220430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011012 + ... + 1011031.

It is an arithmetic number, because the mean of its divisors is an integer number (4549599).

Almost surely, 2^20220430 is an apocalyptic number.

20220430 is a deficient number, since it is larger than the sum of its proper divisors (16176362).

20220430 is a wasteful number, since it uses less digits than its factorization.

20220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022050.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20220430 is about 4496.7132441373. The cubic root of 20220430 is about 272.4353520574.

Adding to 20220430 its reverse (3402202), we get a palindrome (23622632).

The spelling of 20220430 in words is "twenty million, two hundred twenty thousand, four hundred thirty".