20262066 has 32 divisors (see below), whose sum is σ = 44368128. Its totient is φ = 6117840.

The previous prime is 20262049. The next prime is 20262083. The reversal of 20262066 is 66026202.

It is an interprime number because it is at equal distance from previous prime (20262049) and next prime (20262083).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34225 + ... + 34811.

It is an arithmetic number, because the mean of its divisors is an integer number (1386504).

Almost surely, 2^20262066 is an apocalyptic number.

20262066 is an abundant number, since it is smaller than the sum of its proper divisors (24106062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20262066 is a wasteful number, since it uses less digits than its factorization.

20262066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 20262066 is about 4501.3404670165. The cubic root of 20262066 is about 272.6222149094.

Adding to 20262066 its reverse (66026202), we get a palindrome (86288268).

The spelling of 20262066 in words is "twenty million, two hundred sixty-two thousand, sixty-six".