2020020001911 has 12 divisors (see below), whose sum is σ = 2918128592392. Its totient is φ = 1346531421456.

The previous prime is 2020020001877. The next prime is 2020020001931. The reversal of 2020020001911 is 1191000200202.

It is a de Polignac number, because none of the positive numbers 2^k-2020020001911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020020001931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12295516 + ... + 12458721.

Almost surely, 2^{2020020001911} is an apocalyptic number.

2020020001911 is a deficient number, since it is larger than the sum of its proper divisors (898108590481).

2020020001911 is a wasteful number, since it uses less digits than its factorization.

2020020001911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24763310 (or 24763307 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 2020020001911 in words is "two trillion, twenty billion, twenty million, one thousand, nine hundred eleven".