2020688450 has 24 divisors (see below), whose sum is σ = 4100161680. Its totient is φ = 734795600.

The previous prime is 2020688447. The next prime is 2020688479. The reversal of 2020688450 is 548860202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020688450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1836440 + ... + 1837539.

It is an arithmetic number, because the mean of its divisors is an integer number (170840070).

Almost surely, 2^2020688450 is an apocalyptic number.

2020688450 is an abundant number, since it is smaller than the sum of its proper divisors (2079473230).

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

2020688450 is a wasteful number, since it uses less digits than its factorization.

2020688450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674002 (or 3673997 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 2020688450 is about 44952.0683617562. The cubic root of 2020688450 is about 1264.2504581837.

The spelling of 2020688450 in words is "two billion, twenty million, six hundred eighty-eight thousand, four hundred fifty".