20297001834 has 48 divisors (see below), whose sum is σ = 44408449800. Its totient is φ = 6699345408.

The previous prime is 20297001827. The next prime is 20297001859. The reversal of 20297001834 is 43810079202.

It can be written as a sum of positive squares in 4 ways, for example, as 12357657225 + 7939344609 = 111165^2 + 89103^2 .

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, 5163982 + ... + 5167910.

Almost surely, 2^20297001834 is an apocalyptic number.

20297001834 is an abundant number, since it is smaller than the sum of its proper divisors (24111447966).

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

20297001834 is a wasteful number, since it uses less digits than its factorization.

20297001834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679 (or 6676 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 20297001834 in words is "twenty billion, two hundred ninety-seven million, one thousand, eight hundred thirty-four".