20055422 has 8 divisors (see below), whose sum is σ = 30109872. Its totient is φ = 10018800.

The previous prime is 20055407. The next prime is 20055433. The reversal of 20055422 is 22455002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20055394 and 20055403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154 + ... + 6437.

It is an arithmetic number, because the mean of its divisors is an integer number (3763734).

Almost surely, 2^20055422 is an apocalyptic number.

20055422 is a deficient number, since it is larger than the sum of its proper divisors (10054450).

20055422 is a wasteful number, since it uses less digits than its factorization.

20055422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8914.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 20055422 is about 4478.3280362207. The cubic root of 20055422 is about 271.6922611706.

The spelling of 20055422 in words is "twenty million, fifty-five thousand, four hundred twenty-two".