2020001355 has 16 divisors (see below), whose sum is σ = 3591113760. Its totient is φ = 1077333984.

The previous prime is 2020001341. The next prime is 2020001369. The reversal of 2020001355 is 5531000202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2020001341) and next prime (2020001369).

It is not a de Polignac number, because 2020001355 - 2⁴ = 2020001339 is a prime.

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, 7481352 + ... + 7481621.

It is an arithmetic number, because the mean of its divisors is an integer number (224444610).

Almost surely, 2^2020001355 is an apocalyptic number.

2020001355 is a deficient number, since it is larger than the sum of its proper divisors (1571112405).

2020001355 is a wasteful number, since it uses less digits than its factorization.

2020001355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962987 (or 14962981 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2020001355 is about 44944.4251826631. The cubic root of 2020001355 is about 1264.1071475142.

Adding to 2020001355 its reverse (5531000202), we get a palindrome (7551001557).

The spelling of 2020001355 in words is "two billion, twenty million, one thousand, three hundred fifty-five".