20022355 has 8 divisors (see below), whose sum is σ = 24365664. Its totient is φ = 15792000.

The previous prime is 20022323. The next prime is 20022407. The reversal of 20022355 is 55322002.

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

It is not a de Polignac number, because 20022355 - 2⁵ = 20022323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27846 + ... + 28555.

It is an arithmetic number, because the mean of its divisors is an integer number (3045708).

Almost surely, 2^20022355 is an apocalyptic number.

20022355 is a deficient number, since it is larger than the sum of its proper divisors (4343309).

20022355 is an equidigital number, since it uses as much as digits as its factorization.

20022355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56477.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 20022355 is about 4474.6346219552. The cubic root of 20022355 is about 271.5428586781.

Adding to 20022355 its reverse (55322002), we get a palindrome (75344357).

The spelling of 20022355 in words is "twenty million, twenty-two thousand, three hundred fifty-five".