2020387400 has 48 divisors (see below), whose sum is σ = 4700889600. Its totient is φ = 807554880.

The previous prime is 2020387387. The next prime is 2020387409. The reversal of 2020387400 is 47830202.

It is a self number, because there is not a number n which added to its sum of digits gives 2020387400.

It is not an unprimeable number, because it can be changed into a prime (2020387409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 348929 + ... + 354671.

It is an arithmetic number, because the mean of its divisors is an integer number (97935200).

Almost surely, 2^2020387400 is an apocalyptic number.

2020387400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020387400 is an abundant number, since it is smaller than the sum of its proper divisors (2680502200).

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

2020387400 is a wasteful number, since it uses less digits than its factorization.

2020387400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7518 (or 7509 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2020387400 is about 44948.7196703087. The cubic root of 2020387400 is about 1264.1876707538.

The spelling of 2020387400 in words is "two billion, twenty million, three hundred eighty-seven thousand, four hundred".