20412190 has 16 divisors (see below), whose sum is σ = 37186128. Its totient is φ = 8066176.

The previous prime is 20412181. The next prime is 20412191. The reversal of 20412190 is 9121402.

It is a super-2 number, since 2×20412190² = 833315001192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11467 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (2324133).

Almost surely, 2^20412190 is an apocalyptic number.

20412190 is a deficient number, since it is larger than the sum of its proper divisors (16773938).

20412190 is a wasteful number, since it uses less digits than its factorization.

20412190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24683.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20412190 is about 4517.9851704051. The cubic root of 20412190 is about 273.2938554261.

Adding to 20412190 its reverse (9121402), we get a palindrome (29533592).

It can be divided in two parts, 20412 and 190, that added together give a palindrome (20602).

The spelling of 20412190 in words is "twenty million, four hundred twelve thousand, one hundred ninety".