20020460 has 12 divisors (see below), whose sum is σ = 42043008. Its totient is φ = 8008176.

The previous prime is 20020457. The next prime is 20020463. The reversal of 20020460 is 6402002.

It is an interprime number because it is at equal distance from previous prime (20020457) and next prime (20020463).

It is a super-2 number, since 2×20020460² = 801637637223200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20020463) 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, 500492 + ... + 500531.

It is an arithmetic number, because the mean of its divisors is an integer number (3503584).

Almost surely, 2^20020460 is an apocalyptic number.

20020460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20020460 is an abundant number, since it is smaller than the sum of its proper divisors (22022548).

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

20020460 is a wasteful number, since it uses less digits than its factorization.

20020460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001032 (or 1001030 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20020460 is about 4474.4228678121. The cubic root of 20020460 is about 271.5342917546.

Adding to 20020460 its reverse (6402002), we get a palindrome (26422462).

The spelling of 20020460 in words is "twenty million, twenty thousand, four hundred sixty".