20001132011 has 8 divisors (see below), whose sum is σ = 22861799424. Its totient is φ = 17141305320.

The previous prime is 20001131993. The next prime is 20001132023. The reversal of 20001132011 is 11023110002.

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

It is a cyclic number.

It is not a de Polignac number, because 20001132011 - 2⁶ = 20001131947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20001131983 and 20001132001.

It is not an unprimeable number, because it can be changed into a prime (20001132311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158345 + ... + 255098.

It is an arithmetic number, because the mean of its divisors is an integer number (2857724928).

Almost surely, 2^20001132011 is an apocalyptic number.

20001132011 is a deficient number, since it is larger than the sum of its proper divisors (2860667413).

20001132011 is an equidigital number, since it uses as much as digits as its factorization.

20001132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420361.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 20001132011 its reverse (11023110002), we get a palindrome (31024242013).

The spelling of 20001132011 in words is "twenty billion, one million, one hundred thirty-two thousand, eleven".