2085703420 has 12 divisors (see below), whose sum is σ = 4379977224. Its totient is φ = 834281360.

The previous prime is 2085703391. The next prime is 2085703421. The reversal of 2085703420 is 243075802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085703421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52142566 + ... + 52142605.

It is an arithmetic number, because the mean of its divisors is an integer number (364998102).

Almost surely, 2^2085703420 is an apocalyptic number.

2085703420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2085703420 is an abundant number, since it is smaller than the sum of its proper divisors (2294273804).

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

2085703420 is a wasteful number, since it uses less digits than its factorization.

2085703420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104285180 (or 104285178 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2085703420 is about 45669.5020774258. The cubic root of 2085703420 is about 1277.6665290473. Note that the first 3 decimals are identical.

The spelling of 2085703420 in words is "two billion, eighty-five million, seven hundred three thousand, four hundred twenty".