20001011033311 has 48 divisors (see below), whose sum is σ = 27140740193952. Its totient is φ = 14523194112000.

The previous prime is 20001011033261. The next prime is 20001011033329. The reversal of 20001011033311 is 11333011010002.

It is not a de Polignac number, because 20001011033311 - 2⁹ = 20001011032799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001011033371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9880486 + ... + 11731411.

It is an arithmetic number, because the mean of its divisors is an integer number (565432087374).

Almost surely, 2^{20001011033311} is an apocalyptic number.

20001011033311 is a deficient number, since it is larger than the sum of its proper divisors (7139729160641).

20001011033311 is a wasteful number, since it uses less digits than its factorization.

20001011033311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21612040 (or 21612033 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 20001011033311 its reverse (11333011010002), we get a palindrome (31334022043313).

The spelling of 20001011033311 in words is "twenty trillion, one billion, eleven million, thirty-three thousand, three hundred eleven".