20020032 has 42 divisors (see below), whose sum is σ = 57385458. Its totient is φ = 6673152.

The previous prime is 20020027. The next prime is 20020093. The reversal of 20020032 is 23002002.

It can be written as a sum of positive squares in only one way, i.e., 14930496 + 5089536 = 3864^2 + 2256^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20019996 and 20020023.

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 5 ways as a sum of consecutive naturals, for example, 16803 + ... + 17954.

Almost surely, 2^20020032 is an apocalyptic number.

It is an amenable number.

20020032 is an abundant number, since it is smaller than the sum of its proper divisors (37365426).

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

20020032 is a wasteful number, since it uses less digits than its factorization.

20020032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34775 (or 34762 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 20020032 is about 4474.3750401592. The cubic root of 20020032 is about 271.5323567757.

Adding to 20020032 its reverse (23002002), we get a palindrome (43022034).

The spelling of 20020032 in words is "twenty million, twenty thousand, thirty-two".