2020012099966 has 96 divisors (see below), whose sum is σ = 4005044352000. Its totient is φ = 757444298688.

The previous prime is 2020012099961. The next prime is 2020012100003. The reversal of 2020012099966 is 6699902100202.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020012099961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 428715 + ... + 2055193.

It is an arithmetic number, because the mean of its divisors is an integer number (41719212000).

Almost surely, 2^{2020012099966} is an apocalyptic number.

2020012099966 is a deficient number, since it is larger than the sum of its proper divisors (1985032252034).

2020012099966 is a wasteful number, since it uses less digits than its factorization.

2020012099966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626566 (or 1626559 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The spelling of 2020012099966 in words is "two trillion, twenty billion, twelve million, ninety-nine thousand, nine hundred sixty-six".