20111132002 has 8 divisors (see below), whose sum is σ = 32487213276. Its totient is φ = 9282060912.

The previous prime is 20111131993. The next prime is 20111132003. The reversal of 20111132002 is 20023111102.

It can be written as a sum of positive squares in 2 ways, for example, as 19740531001 + 370601001 = 140501^2 + 19251^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (20111132003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386752513 + ... + 386752564.

Almost surely, 2^20111132002 is an apocalyptic number.

20111132002 is a deficient number, since it is larger than the sum of its proper divisors (12376081274).

20111132002 is a wasteful number, since it uses less digits than its factorization.

20111132002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773505092.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20111132002 its reverse (20023111102), we get a palindrome (40134243104).

The spelling of 20111132002 in words is "twenty billion, one hundred eleven million, one hundred thirty-two thousand, two".