20020754 has 12 divisors (see below), whose sum is σ = 32519466. Its totient is φ = 9240192.

The previous prime is 20020753. The next prime is 20020799. The reversal of 20020754 is 45702002.

It can be written as a sum of positive squares in 3 ways, for example, as 6880129 + 13140625 = 2623^2 + 3625^2 .

It is not an unprimeable number, because it can be changed into a prime (20020753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29279 + ... + 29954.

Almost surely, 2^20020754 is an apocalyptic number.

20020754 is a deficient number, since it is larger than the sum of its proper divisors (12498712).

20020754 is a wasteful number, since it uses less digits than its factorization.

20020754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59261 (or 59248 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 20020754 is about 4474.4557210906. The cubic root of 20020754 is about 271.5356209064.

Adding to 20020754 its reverse (45702002), we get a palindrome (65722756).

The spelling of 20020754 in words is "twenty million, twenty thousand, seven hundred fifty-four".