10203440133 has 8 divisors (see below), whose sum is σ = 13624508448. Its totient is φ = 6792332624.

The previous prime is 10203440129. The next prime is 10203440141. The reversal of 10203440133 is 33104430201.

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 10203440133 - 2² = 10203440129 is a prime.

It is a super-2 number, since 2×10203440133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203440123) 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, 2487810 + ... + 2491907.

It is an arithmetic number, because the mean of its divisors is an integer number (1703063556).

Almost surely, 2^10203440133 is an apocalyptic number.

It is an amenable number.

10203440133 is a deficient number, since it is larger than the sum of its proper divisors (3421068315).

10203440133 is an equidigital number, since it uses as much as digits as its factorization.

10203440133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4980403.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10203440133 its reverse (33104430201), we get a palindrome (43307870334).

The spelling of 10203440133 in words is "ten billion, two hundred three million, four hundred forty thousand, one hundred thirty-three".