10406015220 has 96 divisors (see below), whose sum is σ = 29648707200. Its totient is φ = 2726406144.

The previous prime is 10406015167. The next prime is 10406015233. The reversal of 10406015220 is 2251060401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1641016 + ... + 1647344.

It is an arithmetic number, because the mean of its divisors is an integer number (308840700).

Almost surely, 2^10406015220 is an apocalyptic number.

10406015220 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 10406015220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14824353600).

10406015220 is an abundant number, since it is smaller than the sum of its proper divisors (19242691980).

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

10406015220 is a wasteful number, since it uses less digits than its factorization.

10406015220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6817 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10406015220 its reverse (2251060401), we get a palindrome (12657075621).

The spelling of 10406015220 in words is "ten billion, four hundred six million, fifteen thousand, two hundred twenty".