2020191400 has 96 divisors (see below), whose sum is σ = 4809067200. Its totient is φ = 789017600.

The previous prime is 2020191391. The next prime is 2020191443. The reversal of 2020191400 is 41910202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603971 + ... + 1605229.

It is an arithmetic number, because the mean of its divisors is an integer number (50094450).

Almost surely, 2^2020191400 is an apocalyptic number.

2020191400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020191400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404533600).

2020191400 is an abundant number, since it is smaller than the sum of its proper divisors (2788875800).

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

2020191400 is a wasteful number, since it uses less digits than its factorization.

2020191400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 2020191400 is about 44946.5393551050. The cubic root of 2020191400 is about 1264.1467893538.

The spelling of 2020191400 in words is "two billion, twenty million, one hundred ninety-one thousand, four hundred".