20010002 has 16 divisors (see below), whose sum is σ = 31891200. Its totient is φ = 9389520.

The previous prime is 20009999. The next prime is 20010017. The reversal of 20010002 is 20001002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1727 + ... + 6557.

It is an arithmetic number, because the mean of its divisors is an integer number (1993200).

Almost surely, 2^20010002 is an apocalyptic number.

20010002 is a deficient number, since it is larger than the sum of its proper divisors (11881198).

20010002 is a wasteful number, since it uses less digits than its factorization.

20010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4961.

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 20010002 is about 4473.2540728199. The cubic root of 20010002 is about 271.4870034602.

Adding to 20010002 its reverse (20001002), we get a palindrome (40011004).

Multiplying 20010002 by its reverse (20001002), we get a palindrome (400220090022004).

It can be divided in two parts, 2001000 and 2, that added together give a palindrome (2001002).

The spelling of 20010002 in words is "twenty million, ten thousand, two".