2090100834 has 48 divisors (see below), whose sum is σ = 4720820832. Its totient is φ = 693059328.

The previous prime is 2090100811. The next prime is 2090100841. The reversal of 2090100834 is 4380010902.

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

It is a junction number, because it is equal to n+sod(n) for n = 2090100798 and 2090100807.

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, 82657 + ... + 104939.

It is an arithmetic number, because the mean of its divisors is an integer number (98350434).

Almost surely, 2^2090100834 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2090100834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2360410416).

2090100834 is an abundant number, since it is smaller than the sum of its proper divisors (2630719998).

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

2090100834 is a wasteful number, since it uses less digits than its factorization.

2090100834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22493 (or 22481 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2090100834 is about 45717.6206073763. The cubic root of 2090100834 is about 1278.5638258041.

The spelling of 2090100834 in words is "two billion, ninety million, one hundred thousand, eight hundred thirty-four".