10061220 has 48 divisors (see below), whose sum is σ = 30340800. Its totient is φ = 2476416.

The previous prime is 10061213. The next prime is 10061221. The reversal of 10061220 is 2216001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10061196 and 10061205.

It is not an unprimeable number, because it can be changed into a prime (10061221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5670 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (632100).

Almost surely, 2^10061220 is an apocalyptic number.

10061220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10061220 is an abundant number, since it is smaller than the sum of its proper divisors (20279580).

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

10061220 is a wasteful number, since it uses less digits than its factorization.

10061220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12924 (or 12922 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10061220 is about 3171.9426224319. The cubic root of 10061220 is about 215.8822231723.

Adding to 10061220 its reverse (2216001), we get a palindrome (12277221).

The spelling of 10061220 in words is "ten million, sixty-one thousand, two hundred twenty".