1516610020 has 48 divisors (see below), whose sum is σ = 3443146560. Its totient is φ = 559177344.

The previous prime is 1516610009. The next prime is 1516610023. The reversal of 1516610020 is 200166151.

It is a junction number, because it is equal to n+sod(n) for n = 1516609973 and 1516610000.

It is not an unprimeable number, because it can be changed into a prime (1516610023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39874 + ... + 67993.

It is an arithmetic number, because the mean of its divisors is an integer number (71732220).

Almost surely, 2^1516610020 is an apocalyptic number.

1516610020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1516610020 is an abundant number, since it is smaller than the sum of its proper divisors (1926536540).

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

1516610020 is a wasteful number, since it uses less digits than its factorization.

1516610020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107932 (or 107930 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1516610020 is about 38943.6775356411. The cubic root of 1516610020 is about 1148.9240143731.

Adding to 1516610020 its reverse (200166151), we get a palindrome (1716776171).

The spelling of 1516610020 in words is "one billion, five hundred sixteen million, six hundred ten thousand, twenty".