20400231333 has 8 divisors (see below), whose sum is σ = 27204552000. Its totient is φ = 13598032448.

The previous prime is 20400231329. The next prime is 20400231437. The reversal of 20400231333 is 33313200402.

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 20400231333 - 2² = 20400231329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20400231323) 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, 507873 + ... + 546566.

It is an arithmetic number, because the mean of its divisors is an integer number (3400569000).

Almost surely, 2^20400231333 is an apocalyptic number.

It is an amenable number.

20400231333 is a deficient number, since it is larger than the sum of its proper divisors (6804320667).

20400231333 is a wasteful number, since it uses less digits than its factorization.

20400231333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060891.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 20400231333 its reverse (33313200402), we get a palindrome (53713431735).

The spelling of 20400231333 in words is "twenty billion, four hundred million, two hundred thirty-one thousand, three hundred thirty-three".