20012222001002 has 96 divisors (see below), whose sum is σ = 40391397766080. Its totient is φ = 7332684952320.

The previous prime is 20012222000999. The next prime is 20012222001077. The reversal of 20012222001002 is 20010022221002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759893 + ... + 6371960.

It is an arithmetic number, because the mean of its divisors is an integer number (420743726730).

Almost surely, 2^{20012222001002} is an apocalyptic number.

20012222001002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20012222001002 is an abundant number, since it is smaller than the sum of its proper divisors (20379175765078).

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

20012222001002 is a wasteful number, since it uses less digits than its factorization.

20012222001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132036 (or 7132029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20012222001002 its reverse (20010022221002), we get a palindrome (40022244222004).

The spelling of 20012222001002 in words is "twenty trillion, twelve billion, two hundred twenty-two million, one thousand, two".