20001311034 has 16 divisors (see below), whose sum is σ = 40064842272. Its totient is φ = 6656733648.

The previous prime is 20001311009. The next prime is 20001311069. The reversal of 20001311034 is 43011310002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2588329 + ... + 2596044.

It is an arithmetic number, because the mean of its divisors is an integer number (2504052642).

Almost surely, 2^20001311034 is an apocalyptic number.

20001311034 is an abundant number, since it is smaller than the sum of its proper divisors (20063531238).

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

20001311034 is a wasteful number, since it uses less digits than its factorization.

20001311034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185021.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20001311034 its reverse (43011310002), we get a palindrome (63012621036).

The spelling of 20001311034 in words is "twenty billion, one million, three hundred eleven thousand, thirty-four".