20130201155 has 8 divisors (see below), whose sum is σ = 24157176000. Its totient is φ = 16103537856.

The previous prime is 20130201139. The next prime is 20130201181. The reversal of 20130201155 is 55110203102.

It is a happy number.

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 20130201155 - 2⁴ = 20130201139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102071 + ... + 225119.

It is an arithmetic number, because the mean of its divisors is an integer number (3019647000).

Almost surely, 2^20130201155 is an apocalyptic number.

20130201155 is a deficient number, since it is larger than the sum of its proper divisors (4026974845).

20130201155 is a wasteful number, since it uses less digits than its factorization.

20130201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155773.

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 20130201155 its reverse (55110203102), we get a palindrome (75240404257).

The spelling of 20130201155 in words is "twenty billion, one hundred thirty million, two hundred one thousand, one hundred fifty-five".