20311133002 has 8 divisors (see below), whose sum is σ = 31114927296. Its totient is φ = 9939490572.

The previous prime is 20311132979. The next prime is 20311133041. The reversal of 20311133002 is 20033111302.

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

It is a super-3 number, since 3×20311133002³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108037848 + ... + 108038035.

It is an arithmetic number, because the mean of its divisors is an integer number (3889365912).

Almost surely, 2^20311133002 is an apocalyptic number.

20311133002 is a deficient number, since it is larger than the sum of its proper divisors (10803794294).

20311133002 is a wasteful number, since it uses less digits than its factorization.

20311133002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216075932.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20311133002 its reverse (20033111302), we get a palindrome (40344244304).

The spelling of 20311133002 in words is "twenty billion, three hundred eleven million, one hundred thirty-three thousand, two".