2021873370 has 64 divisors (see below), whose sum is σ = 5305098240. Its totient is φ = 489089600.

The previous prime is 2021873333. The next prime is 2021873383. The reversal of 2021873370 is 733781202.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151675 + ... + 164465.

It is an arithmetic number, because the mean of its divisors is an integer number (82892160).

Almost surely, 2^2021873370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021873370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2652549120).

2021873370 is an abundant number, since it is smaller than the sum of its proper divisors (3283224870).

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

2021873370 is a wasteful number, since it uses less digits than its factorization.

2021873370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13291.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2021873370 is about 44965.2462464068. The cubic root of 2021873370 is about 1264.4975262783.

The spelling of 2021873370 in words is "two billion, twenty-one million, eight hundred seventy-three thousand, three hundred seventy".