1001475220 has 24 divisors (see below), whose sum is σ = 2103704064. Its totient is φ = 400474656.

The previous prime is 1001475217. The next prime is 1001475229. The reversal of 1001475220 is 225741001.

It is a happy number.

1001475220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1001475191 and 1001475200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001475229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111829 + ... + 120451.

It is an arithmetic number, because the mean of its divisors is an integer number (87654336).

Almost surely, 2^1001475220 is an apocalyptic number.

1001475220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001475220 is an abundant number, since it is smaller than the sum of its proper divisors (1102228844).

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

1001475220 is a wasteful number, since it uses less digits than its factorization.

1001475220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14439 (or 14437 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1001475220 is about 31646.0932817939. The cubic root of 1001475220 is about 1000.4914983898.

The spelling of 1001475220 in words is "one billion, one million, four hundred seventy-five thousand, two hundred twenty".