20020013834 has 8 divisors (see below), whose sum is σ = 30033665028. Its totient is φ = 10008792160.

The previous prime is 20020013833. The next prime is 20020013843. The reversal of 20020013834 is 43831002002.

It can be written as a sum of positive squares in 2 ways, for example, as 17549625625 + 2470388209 = 132475^2 + 49703^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×20020013834³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20020013833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586637 + ... + 619824.

Almost surely, 2^20020013834 is an apocalyptic number.

20020013834 is a deficient number, since it is larger than the sum of its proper divisors (10013651194).

20020013834 is a wasteful number, since it uses less digits than its factorization.

20020013834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214760.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20020013834 its reverse (43831002002), we get a palindrome (63851015836).

The spelling of 20020013834 in words is "twenty billion, twenty million, thirteen thousand, eight hundred thirty-four".