1020465850 has 12 divisors (see below), whose sum is σ = 1898066574. Its totient is φ = 408186320.

The previous prime is 1020465847. The next prime is 1020465857. The reversal of 1020465850 is 585640201.

It can be written as a sum of positive squares in 3 ways, for example, as 701879049 + 318586801 = 26493^2 + 17849^2 .

It is not an unprimeable number, because it can be changed into a prime (1020465857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10204609 + ... + 10204708.

Almost surely, 2^1020465850 is an apocalyptic number.

1020465850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020465850 is a deficient number, since it is larger than the sum of its proper divisors (877600724).

1020465850 is a wasteful number, since it uses less digits than its factorization.

1020465850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20409329 (or 20409324 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 1020465850 is about 31944.7311774571. The cubic root of 1020465850 is about 1006.7759330298.

The spelling of 1020465850 in words is "one billion, twenty million, four hundred sixty-five thousand, eight hundred fifty".