1516650020 has 12 divisors (see below), whose sum is σ = 3184965084. Its totient is φ = 606660000.

The previous prime is 1516650001. The next prime is 1516650029. The reversal of 1516650020 is 200566151.

It can be written as a sum of positive squares in 2 ways, for example, as 550559296 + 966090724 = 23464^2 + 31082^2 .

It is not an unprimeable number, because it can be changed into a prime (1516650029) 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, 37916231 + ... + 37916270.

It is an arithmetic number, because the mean of its divisors is an integer number (265413757).

Almost surely, 2^1516650020 is an apocalyptic number.

1516650020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516650020 is an abundant number, since it is smaller than the sum of its proper divisors (1668315064).

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

1516650020 is a wasteful number, since it uses less digits than its factorization.

1516650020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75832510 (or 75832508 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1516650020 is about 38944.1910944367. The cubic root of 1516650020 is about 1148.9341150924.

The spelling of 1516650020 in words is "one billion, five hundred sixteen million, six hundred fifty thousand, twenty".