2012516620 has 12 divisors (see below), whose sum is σ = 4226284944. Its totient is φ = 805006640.

The previous prime is 2012516599. The next prime is 2012516663. The reversal of 2012516620 is 266152102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50312896 + ... + 50312935.

It is an arithmetic number, because the mean of its divisors is an integer number (352190412).

Almost surely, 2^2012516620 is an apocalyptic number.

2012516620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012516620 is an abundant number, since it is smaller than the sum of its proper divisors (2213768324).

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

2012516620 is a wasteful number, since it uses less digits than its factorization.

2012516620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100625840 (or 100625838 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2012516620 is about 44861.0813512113. The cubic root of 2012516620 is about 1262.5439114224.

Adding to 2012516620 its reverse (266152102), we get a palindrome (2278668722).

The spelling of 2012516620 in words is "two billion, twelve million, five hundred sixteen thousand, six hundred twenty".