20107446 has 32 divisors (see below), whose sum is σ = 41499648. Its totient is φ = 6491520.

The previous prime is 20107441. The next prime is 20107457. The reversal of 20107446 is 64470102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20107441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31551 + ... + 32181.

It is an arithmetic number, because the mean of its divisors is an integer number (1296864).

Almost surely, 2^20107446 is an apocalyptic number.

20107446 is an abundant number, since it is smaller than the sum of its proper divisors (21392202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20107446 is a wasteful number, since it uses less digits than its factorization.

20107446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20107446 is about 4484.1326920599. The cubic root of 20107446 is about 271.9269826352.

Adding to 20107446 its reverse (64470102), we get a palindrome (84577548).

The spelling of 20107446 in words is "twenty million, one hundred seven thousand, four hundred forty-six".