10091019204 has 96 divisors (see below), whose sum is σ = 30268627200. Its totient is φ = 2883130848.

The previous prime is 10091019203. The next prime is 10091019221. The reversal of 10091019204 is 40291019001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10091019203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21159 + ... + 143630.

It is an arithmetic number, because the mean of its divisors is an integer number (315298200).

Almost surely, 2^10091019204 is an apocalyptic number.

10091019204 is a gapful number since it is divisible by the number (14) 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 10091019204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15134313600).

10091019204 is an abundant number, since it is smaller than the sum of its proper divisors (20177607996).

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

10091019204 is an equidigital number, since it uses as much as digits as its factorization.

10091019204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164821 (or 164801 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 10091019204 in words is "ten billion, ninety-one million, nineteen thousand, two hundred four".