20062566 has 24 divisors (see below), whose sum is σ = 45079944. Its totient is φ = 6687360.

The previous prime is 20062531. The next prime is 20062597. The reversal of 20062566 is 66526002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20155 + ... + 21126.

It is an arithmetic number, because the mean of its divisors is an integer number (1878331).

Almost surely, 2^20062566 is an apocalyptic number.

20062566 is an abundant number, since it is smaller than the sum of its proper divisors (25017378).

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

20062566 is an equidigital number, since it uses as much as digits as its factorization.

20062566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41298 (or 41286 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 20062566 is about 4479.1255843077. The cubic root of 20062566 is about 271.7245174368.

Adding to 20062566 its reverse (66526002), we get a palindrome (86588568).

The spelling of 20062566 in words is "twenty million, sixty-two thousand, five hundred sixty-six".