2020004454 has 64 divisors (see below), whose sum is σ = 4646154240. Its totient is φ = 580728960.

The previous prime is 2020004377. The next prime is 2020004477. The reversal of 2020004454 is 4544000202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020004454.

It is a congruent 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, 55719 + ... + 84525.

It is an arithmetic number, because the mean of its divisors is an integer number (72596160).

Almost surely, 2^2020004454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020004454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2323077120).

2020004454 is an abundant number, since it is smaller than the sum of its proper divisors (2626149786).

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

2020004454 is a wasteful number, since it uses less digits than its factorization.

2020004454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28885.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2020004454 is about 44944.4596585608. The cubic root of 2020004454 is about 1264.1077939603.

Adding to 2020004454 its reverse (4544000202), we get a palindrome (6564004656).

The spelling of 2020004454 in words is "two billion, twenty million, four thousand, four hundred fifty-four".