220012011987 has 16 divisors (see below), whose sum is σ = 313254036480. Its totient is φ = 137048637600.

The previous prime is 220012011979. The next prime is 220012012007. The reversal of 220012011987 is 789110210022.

It is not a de Polignac number, because 220012011987 - 2³ = 220012011979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220012010987) 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, 40785589 + ... + 40790982.

It is an arithmetic number, because the mean of its divisors is an integer number (19578377280).

Almost surely, 2^220012011987 is an apocalyptic number.

220012011987 is a deficient number, since it is larger than the sum of its proper divisors (93242024493).

220012011987 is a wasteful number, since it uses less digits than its factorization.

220012011987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81576634.

The product of its (nonzero) digits is 4032, while the sum is 33.

The spelling of 220012011987 in words is "two hundred twenty billion, twelve million, eleven thousand, nine hundred eighty-seven".