20226057 has 8 divisors (see below), whose sum is σ = 27002976. Its totient is φ = 13466592.

The previous prime is 20226053. The next prime is 20226061. The reversal of 20226057 is 75062202.

It is an interprime number because it is at equal distance from previous prime (20226053) and next prime (20226061).

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

It is not a de Polignac number, because 20226057 - 2² = 20226053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20226053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1363 + ... + 6504.

It is an arithmetic number, because the mean of its divisors is an integer number (3375372).

Almost surely, 2^20226057 is an apocalyptic number.

It is an amenable number.

20226057 is a deficient number, since it is larger than the sum of its proper divisors (6776919).

20226057 is an equidigital number, since it uses as much as digits as its factorization.

20226057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8727.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20226057 is about 4497.3388798266. The cubic root of 20226057 is about 272.4606210807.

Adding to 20226057 its reverse (75062202), we get a palindrome (95288259).

The spelling of 20226057 in words is "twenty million, two hundred twenty-six thousand, fifty-seven".