20220412 has 12 divisors (see below), whose sum is σ = 37467360. Its totient is φ = 9515456.

The previous prime is 20220407. The next prime is 20220451. The reversal of 20220412 is 21402202.

It is a super-2 number, since 2×20220412² = 817730122899488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20220392 and 20220401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148612 + ... + 148747.

It is an arithmetic number, because the mean of its divisors is an integer number (3122280).

Almost surely, 2^20220412 is an apocalyptic number.

It is an amenable number.

20220412 is a deficient number, since it is larger than the sum of its proper divisors (17246948).

20220412 is a wasteful number, since it uses less digits than its factorization.

20220412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297380 (or 297378 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 20220412 is about 4496.7112426750. The cubic root of 20220412 is about 272.4352712178.

Adding to 20220412 its reverse (21402202), we get a palindrome (41622614).

The spelling of 20220412 in words is "twenty million, two hundred twenty thousand, four hundred twelve".