830750020 has 12 divisors (see below), whose sum is σ = 1744575084. Its totient is φ = 332300000.

The previous prime is 830749973. The next prime is 830750029. The reversal of 830750020 is 20057038.

It can be written as a sum of positive squares in 2 ways, for example, as 399440196 + 431309824 = 19986^2 + 20768^2 .

It is not an unprimeable number, because it can be changed into a prime (830750029) 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, 20768731 + ... + 20768770.

It is an arithmetic number, because the mean of its divisors is an integer number (145381257).

Almost surely, 2^830750020 is an apocalyptic number.

It is an amenable number.

830750020 is an abundant number, since it is smaller than the sum of its proper divisors (913825064).

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

830750020 is a wasteful number, since it uses less digits than its factorization.

830750020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41537510 (or 41537508 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 830750020 is about 28822.7344296130. The cubic root of 830750020 is about 940.0626259769.

The spelling of 830750020 in words is "eight hundred thirty million, seven hundred fifty thousand, twenty".