20012202019990 has 8 divisors (see below), whose sum is σ = 36021963636000. Its totient is φ = 8004880807992.

The previous prime is 20012202019981. The next prime is 20012202019991. The reversal of 20012202019990 is 9991020221002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012202019991) 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, 1000610100990 + ... + 1000610101009.

It is an arithmetic number, because the mean of its divisors is an integer number (4502745454500).

Almost surely, 2^{20012202019990} is an apocalyptic number.

20012202019990 is a deficient number, since it is larger than the sum of its proper divisors (16009761616010).

20012202019990 is a wasteful number, since it uses less digits than its factorization.

20012202019990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001220202006.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 20012202019990 in words is "twenty trillion, twelve billion, two hundred two million, nineteen thousand, nine hundred ninety".