2015894620 has 12 divisors (see below), whose sum is σ = 4233378744. Its totient is φ = 806357840.

The previous prime is 2015894597. The next prime is 2015894651. The reversal of 2015894620 is 264985102.

It is a super-2 number, since 2×2015894620² = 8127662237889888800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2015894620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50397346 + ... + 50397385.

It is an arithmetic number, because the mean of its divisors is an integer number (352781562).

Almost surely, 2^2015894620 is an apocalyptic number.

2015894620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2015894620 is an abundant number, since it is smaller than the sum of its proper divisors (2217484124).

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

2015894620 is a wasteful number, since it uses less digits than its factorization.

2015894620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100794740 (or 100794738 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2015894620 is about 44898.7151263820. The cubic root of 2015894620 is about 1263.2499079713.

The spelling of 2015894620 in words is "two billion, fifteen million, eight hundred ninety-four thousand, six hundred twenty".