20020412 has 12 divisors (see below), whose sum is σ = 35397600. Its totient is φ = 9906816.

The previous prime is 20020387. The next prime is 20020421. The reversal of 20020412 is 21402002.

It is a junction number, because it is equal to n+sod(n) for n = 20020393 and 20020402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25412 + ... + 26187.

It is an arithmetic number, because the mean of its divisors is an integer number (2949800).

Almost surely, 2^20020412 is an apocalyptic number.

It is an amenable number.

20020412 is a deficient number, since it is larger than the sum of its proper divisors (15377188).

20020412 is a wasteful number, since it uses less digits than its factorization.

20020412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51700 (or 51698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 20020412 is about 4474.4175039886. The cubic root of 20020412 is about 271.5340747490.

Adding to 20020412 its reverse (21402002), we get a palindrome (41422414).

The spelling of 20020412 in words is "twenty million, twenty thousand, four hundred twelve".