10021270650 has 48 divisors (see below), whose sum is σ = 25019604000. Its totient is φ = 2654397760.

The previous prime is 10021270639. The next prime is 10021270663. The reversal of 10021270650 is 5607212001.

It is a super-3 number, since 3×10021270650³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10021270650.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201840 + ... + 246539.

It is an arithmetic number, because the mean of its divisors is an integer number (521241750).

Almost surely, 2^10021270650 is an apocalyptic number.

10021270650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10021270650 is an abundant number, since it is smaller than the sum of its proper divisors (14998333350).

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

10021270650 is a wasteful number, since it uses less digits than its factorization.

10021270650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448543 (or 448538 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

Adding to 10021270650 its reverse (5607212001), we get a palindrome (15628482651).

The spelling of 10021270650 in words is "ten billion, twenty-one million, two hundred seventy thousand, six hundred fifty".