20130037834 has 4 divisors (see below), whose sum is σ = 30195056754. Its totient is φ = 10065018916.

The previous prime is 20130037799. The next prime is 20130037843. The reversal of 20130037834 is 43873003102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10885792225 + 9244245609 = 104335^2 + 96147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20130037796 and 20130037805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032509457 + ... + 5032509460.

Almost surely, 2^20130037834 is an apocalyptic number.

20130037834 is a deficient number, since it is larger than the sum of its proper divisors (10065018920).

20130037834 is a wasteful number, since it uses less digits than its factorization.

20130037834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065018919.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 20130037834 in words is "twenty billion, one hundred thirty million, thirty-seven thousand, eight hundred thirty-four".