20220034 has 4 divisors (see below), whose sum is σ = 30330054. Its totient is φ = 10110016.

The previous prime is 20220023. The next prime is 20220041. The reversal of 20220034 is 43002202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43002202 = 2 ⋅21501101.

It can be written as a sum of positive squares in only one way, i.e., 15171025 + 5049009 = 3895^2 + 2247^2 .

It is a super-2 number, since 2×20220034² = 817699549922312, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20219996 and 20220023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055007 + ... + 5055010.

Almost surely, 2^20220034 is an apocalyptic number.

20220034 is a deficient number, since it is larger than the sum of its proper divisors (10110020).

20220034 is a wasteful number, since it uses less digits than its factorization.

20220034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110019.

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

The square root of 20220034 is about 4496.6692117611. The cubic root of 20220034 is about 272.4335735739.

Adding to 20220034 its reverse (43002202), we get a palindrome (63222236).

The spelling of 20220034 in words is "twenty million, two hundred twenty thousand, thirty-four".