1020107650 has 12 divisors (see below), whose sum is σ = 1897400322. Its totient is φ = 408043040.

The previous prime is 1020107639. The next prime is 1020107659. The reversal of 1020107650 is 567010201.

It can be written as a sum of positive squares in 3 ways, for example, as 978000529 + 42107121 = 31273^2 + 6489^2 .

It is not an unprimeable number, because it can be changed into a prime (1020107659) 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, 10201027 + ... + 10201126.

Almost surely, 2^1020107650 is an apocalyptic number.

1020107650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020107650 is a deficient number, since it is larger than the sum of its proper divisors (877292672).

1020107650 is a wasteful number, since it uses less digits than its factorization.

1020107650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20402165 (or 20402160 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1020107650 is about 31939.1241270014. The cubic root of 1020107650 is about 1006.6581210381.

Adding to 1020107650 its reverse (567010201), we get a palindrome (1587117851).

The spelling of 1020107650 in words is "one billion, twenty million, one hundred seven thousand, six hundred fifty".