2015620026 has 16 divisors (see below), whose sum is σ = 4607131584. Its totient is φ = 575891424.

The previous prime is 2015620001. The next prime is 2015620049. The reversal of 2015620026 is 6200265102.

It is a junction number, because it is equal to n+sod(n) for n = 2015619978 and 2015620005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23995435 + ... + 23995518.

It is an arithmetic number, because the mean of its divisors is an integer number (287945724).

Almost surely, 2^2015620026 is an apocalyptic number.

2015620026 is an abundant number, since it is smaller than the sum of its proper divisors (2591511558).

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

2015620026 is a wasteful number, since it uses less digits than its factorization.

2015620026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47990965.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2015620026 is about 44895.6570950911. The cubic root of 2015620026 is about 1263.1925477315.

Adding to 2015620026 its reverse (6200265102), we get a palindrome (8215885128).

The spelling of 2015620026 in words is "two billion, fifteen million, six hundred twenty thousand, twenty-six".