20023111132002 has 48 divisors (see below), whose sum is σ = 47332138276800. Its totient is φ = 6066996012000.

The previous prime is 20023111132001. The next prime is 20023111132019.

20023111132002 is a `hidden beast` number, since 2 + 0 + 0 + 231 + 111 + 320 + 0 + 2 = 666.

20023111132002 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (20023111132001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3146502 + ... + 7067297.

It is an arithmetic number, because the mean of its divisors is an integer number (986086214100).

Almost surely, 2^{20023111132002} is an apocalyptic number.

20023111132002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20023111132002 is an abundant number, since it is smaller than the sum of its proper divisors (27309027144798).

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

20023111132002 is a wasteful number, since it uses less digits than its factorization.

20023111132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10223719 (or 10223716 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

It can be divided in two parts, 2002311 and 1132002, that added together give a palindrome (3134313).

The spelling of 20023111132002 in words is "twenty trillion, twenty-three billion, one hundred eleven million, one hundred thirty-two thousand, two".