20162002 has 16 divisors (see below), whose sum is σ = 36383040. Its totient is φ = 8185968.

The previous prime is 20161993. The next prime is 20162027. The reversal of 20162002 is 20026102.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37633 + ... + 38164.

It is an arithmetic number, because the mean of its divisors is an integer number (2273940).

Almost surely, 2^20162002 is an apocalyptic number.

20162002 is a deficient number, since it is larger than the sum of its proper divisors (16221038).

20162002 is a wasteful number, since it uses less digits than its factorization.

20162002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75825.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 20162002 is about 4490.2117990135. The cubic root of 20162002 is about 272.1726934619.

Adding to 20162002 its reverse (20026102), we get a palindrome (40188104).

The spelling of 20162002 in words is "twenty million, one hundred sixty-two thousand, two".