20011023133132 has 6 divisors (see below), whose sum is σ = 35019290482988. Its totient is φ = 10005511566564.

The previous prime is 20011023133121. The next prime is 20011023133133. The reversal of 20011023133132 is 23133132011002.

It is a super-2 number, since 2×20011023133132² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20011023133133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501377891638 + ... + 2501377891645.

Almost surely, 2^{20011023133132} is an apocalyptic number.

It is an amenable number.

20011023133132 is a deficient number, since it is larger than the sum of its proper divisors (15008267349856).

20011023133132 is a wasteful number, since it uses less digits than its factorization.

20011023133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002755783287 (or 5002755783285 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20011023133132 its reverse (23133132011002), we get a palindrome (43144155144134).

The spelling of 20011023133132 in words is "twenty trillion, eleven billion, twenty-three million, one hundred thirty-three thousand, one hundred thirty-two".