13146406220 has 48 divisors (see below), whose sum is σ = 28546242816. Its totient is φ = 5080320000.

The previous prime is 13146406183. The next prime is 13146406279. The reversal of 13146406220 is 2260464131.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354980 + ... + 390260.

It is an arithmetic number, because the mean of its divisors is an integer number (594713392).

Almost surely, 2^13146406220 is an apocalyptic number.

13146406220 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 13146406220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14273121408).

13146406220 is an abundant number, since it is smaller than the sum of its proper divisors (15399836596).

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

13146406220 is a wasteful number, since it uses less digits than its factorization.

13146406220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35922 (or 35920 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 13146406220 in words is "thirteen billion, one hundred forty-six million, four hundred six thousand, two hundred twenty".