20266468 has 12 divisors (see below), whose sum is σ = 35575792. Its totient is φ = 10101960.

The previous prime is 20266451. The next prime is 20266469. The reversal of 20266468 is 86466202.

It is not an unprimeable number, because it can be changed into a prime (20266469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6330 + ... + 8977.

Almost surely, 2^20266468 is an apocalyptic number.

It is an amenable number.

20266468 is a deficient number, since it is larger than the sum of its proper divisors (15309324).

20266468 is a wasteful number, since it uses less digits than its factorization.

20266468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15642 (or 15640 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 20266468 is about 4501.8294059193. The cubic root of 20266468 is about 272.6419561686.

The spelling of 20266468 in words is "twenty million, two hundred sixty-six thousand, four hundred sixty-eight".