10530394620 has 96 divisors (see below), whose sum is σ = 30778821696. Its totient is φ = 2687385600.

The previous prime is 10530394579. The next prime is 10530394639. The reversal of 10530394620 is 2649303501.

It is a super-2 number, since 2×10530394620² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96540 + ... + 174300.

It is an arithmetic number, because the mean of its divisors is an integer number (320612726).

Almost surely, 2^10530394620 is an apocalyptic number.

10530394620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10530394620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15389410848).

10530394620 is an abundant number, since it is smaller than the sum of its proper divisors (20248427076).

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

10530394620 is a wasteful number, since it uses less digits than its factorization.

10530394620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77871 (or 77869 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The spelling of 10530394620 in words is "ten billion, five hundred thirty million, three hundred ninety-four thousand, six hundred twenty".