20411422 has 4 divisors (see below), whose sum is σ = 30617136. Its totient is φ = 10205710.

The previous prime is 20411411. The next prime is 20411431. The reversal of 20411422 is 22411402.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×20411422² = 833252296124168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20411396 and 20411405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102854 + ... + 5102857.

It is an arithmetic number, because the mean of its divisors is an integer number (7654284).

Almost surely, 2^20411422 is an apocalyptic number.

20411422 is a deficient number, since it is larger than the sum of its proper divisors (10205714).

20411422 is a wasteful number, since it uses less digits than its factorization.

20411422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10205713.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 20411422 is about 4517.9001759667. The cubic root of 20411422 is about 273.2904278612.

Adding to 20411422 its reverse (22411402), we get a palindrome (42822824).

The spelling of 20411422 in words is "twenty million, four hundred eleven thousand, four hundred twenty-two".