20130201326 has 4 divisors (see below), whose sum is σ = 30195301992. Its totient is φ = 10065100662.

The previous prime is 20130201319. The next prime is 20130201341. The reversal of 20130201326 is 62310203102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 20130201298 and 20130201307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5032550330 + ... + 5032550333.

It is an arithmetic number, because the mean of its divisors is an integer number (7548825498).

Almost surely, 2^20130201326 is an apocalyptic number.

20130201326 is a deficient number, since it is larger than the sum of its proper divisors (10065100666).

20130201326 is a wasteful number, since it uses less digits than its factorization.

20130201326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065100665.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20130201326 its reverse (62310203102), we get a palindrome (82440404428).

The spelling of 20130201326 in words is "twenty billion, one hundred thirty million, two hundred one thousand, three hundred twenty-six".