20133210401 has 4 divisors (see below), whose sum is σ = 20133887232. Its totient is φ = 20132533572.

The previous prime is 20133210397. The next prime is 20133210463. The reversal of 20133210401 is 10401233102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20133210401 - 2² = 20133210397 is a prime.

It is a super-3 number, since 3×20133210401³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20133210401.

It is not an unprimeable number, because it can be changed into a prime (20133210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 291641 + ... + 354006.

It is an arithmetic number, because the mean of its divisors is an integer number (5033471808).

Almost surely, 2^20133210401 is an apocalyptic number.

It is an amenable number.

20133210401 is a deficient number, since it is larger than the sum of its proper divisors (676831).

20133210401 is an equidigital number, since it uses as much as digits as its factorization.

20133210401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676830.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20133210401 its reverse (10401233102), we get a palindrome (30534443503).

The spelling of 20133210401 in words is "twenty billion, one hundred thirty-three million, two hundred ten thousand, four hundred one".