13001234220 has 216 divisors, whose sum is σ = 42895996416. Its totient is φ = 3185934336.

The previous prime is 13001234203. The next prime is 13001234237. The reversal of 13001234220 is 2243210031.

13001234220 is a `hidden beast` number, since 1 + 300 + 1 + 2 + 342 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (13001234203) and next prime (13001234237).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13001234193 and 13001234202.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7817109 + ... + 7818771.

It is an arithmetic number, because the mean of its divisors is an integer number (198592576).

Almost surely, 2^13001234220 is an apocalyptic number.

13001234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13001234220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21447998208).

13001234220 is an abundant number, since it is smaller than the sum of its proper divisors (29894762196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13001234220 is a wasteful number, since it uses less digits than its factorization.

13001234220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13001234220 its reverse (2243210031), we get a palindrome (15244444251).

The spelling of 13001234220 in words is "thirteen billion, one million, two hundred thirty-four thousand, two hundred twenty".