20020002 has 16 divisors (see below), whose sum is σ = 40638432. Its totient is φ = 6573600.

The previous prime is 20020001. The next prime is 20020019. The reversal of 20020002 is 20002002.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is not an unprimeable number, because it can be changed into a prime (20020001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24499 + ... + 25302.

It is an arithmetic number, because the mean of its divisors is an integer number (2539902).

Almost surely, 2^20020002 is an apocalyptic number.

20020002 is an abundant number, since it is smaller than the sum of its proper divisors (20618430).

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

20020002 is a wasteful number, since it uses less digits than its factorization.

20020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49873.

The product of its (nonzero) digits is 8, while the sum is 6.

The square root of 20020002 is about 4474.3716877345. The cubic root of 20020002 is about 271.5322211453.

Adding to 20020002 its reverse (20002002), we get a palindrome (40022004).

It can be divided in two parts, 2002000 and 2, that added together give a palindrome (2002002).

The spelling of 20020002 in words is "twenty million, twenty thousand, two".