2020001021988 has 48 divisors (see below), whose sum is σ = 4763036187840. Its totient is φ = 666236841984.

The previous prime is 2020001021977. The next prime is 2020001021999. The reversal of 2020001021988 is 8891201000202.

It is an interprime number because it is at equal distance from previous prime (2020001021977) and next prime (2020001021999).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4850620 + ... + 5250572.

It is an arithmetic number, because the mean of its divisors is an integer number (99229920580).

Almost surely, 2^{2020001021988} is an apocalyptic number.

It is an amenable number.

2020001021988 is an abundant number, since it is smaller than the sum of its proper divisors (2743035165852).

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

2020001021988 is a wasteful number, since it uses less digits than its factorization.

2020001021988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404396 (or 404394 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 2020001021988 in words is "two trillion, twenty billion, one million, twenty-one thousand, nine hundred eighty-eight".