20000002 has 8 divisors (see below), whose sum is σ = 32727312. Its totient is φ = 9090900.

The previous prime is 19999999. The next prime is 20000003.

20000002 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19999946 and 20000000.

It is not an unprimeable number, because it can be changed into a prime (20000003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454524 + ... + 454567.

It is an arithmetic number, because the mean of its divisors is an integer number (4090914).

Almost surely, 2^20000002 is an apocalyptic number.

20000002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20000002 is a deficient number, since it is larger than the sum of its proper divisors (12727310).

20000002 is a wasteful number, since it uses less digits than its factorization.

20000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909104.

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

The square root of 20000002 is about 4472.1361786064. The cubic root of 20000002 is about 271.4417707075.

It can be divided in two parts, 2000000 and 2, that multiplied together give a square (4000000 = 2000²).

The spelling of 20000002 in words is "twenty million, two", and thus it is an aban number and an uban number.