20220002 has 16 divisors (see below), whose sum is σ = 33158592. Its totient is φ = 9171120.

The previous prime is 20219951. The next prime is 20220007. The reversal of 20220002 is 20002202.

It is not an unprimeable number, because it can be changed into a prime (20220007) 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, 15728 + ... + 16964.

It is an arithmetic number, because the mean of its divisors is an integer number (2072412).

Almost surely, 2^20220002 is an apocalyptic number.

20220002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20220002 is a deficient number, since it is larger than the sum of its proper divisors (12938590).

20220002 is a wasteful number, since it uses less digits than its factorization.

20220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 20220002 is about 4496.6656535704. The cubic root of 20220002 is about 272.4334298571.

Adding to 20220002 its reverse (20002202), we get a palindrome (40222204).

It can be divided in two parts, 202 and 20002, that multiplied together give a palindrome (4040404).

The spelling of 20220002 in words is "twenty million, two hundred twenty thousand, two".