20027484 has 36 divisors (see below), whose sum is σ = 50950536. Its totient is φ = 6632928.

The previous prime is 20027461. The next prime is 20027507. The reversal of 20027484 is 48472002.

It is an interprime number because it is at equal distance from previous prime (20027461) and next prime (20027507).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×20027484² = 802200230740512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4162 + ... + 7574.

Almost surely, 2^20027484 is an apocalyptic number.

It is an amenable number.

20027484 is an abundant number, since it is smaller than the sum of its proper divisors (30923052).

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

20027484 is a wasteful number, since it uses less digits than its factorization.

20027484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 20027484 is about 4475.2077046770. The cubic root of 20027484 is about 271.5660431706.

Adding to 20027484 its reverse (48472002), we get a palindrome (68499486).

The spelling of 20027484 in words is "twenty million, twenty-seven thousand, four hundred eighty-four".