20022398 has 8 divisors (see below), whose sum is σ = 32763960. Its totient is φ = 9101080.

The previous prime is 20022323. The next prime is 20022407. The reversal of 20022398 is 89322002.

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

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, 455033 + ... + 455076.

It is an arithmetic number, because the mean of its divisors is an integer number (4095495).

Almost surely, 2^20022398 is an apocalyptic number.

20022398 is a deficient number, since it is larger than the sum of its proper divisors (12741562).

20022398 is a wasteful number, since it uses less digits than its factorization.

20022398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910122.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 20022398 is about 4474.6394268142. The cubic root of 20022398 is about 271.5430530664.

The spelling of 20022398 in words is "twenty million, twenty-two thousand, three hundred ninety-eight".