20426060 has 12 divisors (see below), whose sum is σ = 42894768. Its totient is φ = 8170416.

The previous prime is 20426039. The next prime is 20426069. The reversal of 20426060 is 6062402.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1021303 = 20426060 / (2 + 0 + 4 + 2 + 6 + 0 + 6 + 0).

It is not an unprimeable number, because it can be changed into a prime (20426069) 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, 510632 + ... + 510671.

It is an arithmetic number, because the mean of its divisors is an integer number (3574564).

Almost surely, 2^20426060 is an apocalyptic number.

20426060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20426060 is an abundant number, since it is smaller than the sum of its proper divisors (22468708).

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

20426060 is a wasteful number, since it uses less digits than its factorization.

20426060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021312 (or 1021310 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20426060 is about 4519.5198860056. The cubic root of 20426060 is about 273.3557420983.

Adding to 20426060 its reverse (6062402), we get a palindrome (26488462).

The spelling of 20426060 in words is "twenty million, four hundred twenty-six thousand, sixty".