20220020234 has 4 divisors (see below), whose sum is σ = 30330030354. Its totient is φ = 10110010116.

The previous prime is 20220020231. The next prime is 20220020237. The reversal of 20220020234 is 43202002202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20220020231) and next prime (20220020237).

It can be written as a sum of positive squares in only one way, i.e., 20205769609 + 14250625 = 142147^2 + 3775^2 .

It is not an unprimeable number, because it can be changed into a prime (20220020231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055005057 + ... + 5055005060.

Almost surely, 2^20220020234 is an apocalyptic number.

20220020234 is a deficient number, since it is larger than the sum of its proper divisors (10110010120).

20220020234 is a wasteful number, since it uses less digits than its factorization.

20220020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110010119.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20220020234 its reverse (43202002202), we get a palindrome (63422022436).

The spelling of 20220020234 in words is "twenty billion, two hundred twenty million, twenty thousand, two hundred thirty-four".