20022112002 has 32 divisors (see below), whose sum is σ = 40148561088. Its totient is φ = 6656669696.

The previous prime is 20022111997. The next prime is 20022112003. The reversal of 20022112002 is 20021122002.

It is not an unprimeable number, because it can be changed into a prime (20022112003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7271458 + ... + 7274210.

It is an arithmetic number, because the mean of its divisors is an integer number (1254642534).

Almost surely, 2^20022112002 is an apocalyptic number.

20022112002 is an abundant number, since it is smaller than the sum of its proper divisors (20126449086).

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

20022112002 is a wasteful number, since it uses less digits than its factorization.

20022112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5474.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20022112002 its reverse (20021122002), we get a palindrome (40043234004).

The spelling of 20022112002 in words is "twenty billion, twenty-two million, one hundred twelve thousand, two".