20226963 has 16 divisors (see below), whose sum is σ = 28529280. Its totient is φ = 12711744.

The previous prime is 20226961. The next prime is 20226971. The reversal of 20226963 is 36962202.

It is not a de Polignac number, because 20226963 - 2¹ = 20226961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20226963.

It is not an unprimeable number, because it can be changed into a prime (20226961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12520 + ... + 14042.

It is an arithmetic number, because the mean of its divisors is an integer number (1783080).

Almost surely, 2^20226963 is an apocalyptic number.

20226963 is a deficient number, since it is larger than the sum of its proper divisors (8302317).

20226963 is a wasteful number, since it uses less digits than its factorization.

20226963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 20226963 is about 4497.4396049308. The cubic root of 20226963 is about 272.4646891934.

The spelling of 20226963 in words is "twenty million, two hundred twenty-six thousand, nine hundred sixty-three".