20461422 has 8 divisors (see below), whose sum is σ = 40922856. Its totient is φ = 6820472.

The previous prime is 20461417. The next prime is 20461429. The reversal of 20461422 is 22416402.

It is a sphenic number, since it is the product of 3 distinct primes.

20461422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20461429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705113 + ... + 1705124.

It is an arithmetic number, because the mean of its divisors is an integer number (5115357).

Almost surely, 2^20461422 is an apocalyptic number.

20461422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20461422 is a wasteful number, since it uses less digits than its factorization.

20461422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410242.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 20461422 is about 4523.4303354866. The cubic root of 20461422 is about 273.5133974478.

Adding to 20461422 its reverse (22416402), we get a palindrome (42877824).

The spelling of 20461422 in words is "twenty million, four hundred sixty-one thousand, four hundred twenty-two".