2022020687 has 4 divisors (see below), whose sum is σ = 2022757920. Its totient is φ = 2021283456.

The previous prime is 2022020669. The next prime is 2022020729. The reversal of 2022020687 is 7860202202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2022020687 - 2²⁰ = 2020972111 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 (2022026687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364487 + ... + 369992.

It is an arithmetic number, because the mean of its divisors is an integer number (505689480).

Almost surely, 2^2022020687 is an apocalyptic number.

2022020687 is a deficient number, since it is larger than the sum of its proper divisors (737233).

2022020687 is an equidigital number, since it uses as much as digits as its factorization.

2022020687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737232.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2022020687 is about 44966.8843372542. The cubic root of 2022020687 is about 1264.5282366516.

Adding to 2022020687 its reverse (7860202202), we get a palindrome (9882222889).

The spelling of 2022020687 in words is "two billion, twenty-two million, twenty thousand, six hundred eighty-seven".