1246652220 has 192 divisors, whose sum is σ = 3921716736. Its totient is φ = 293329920.

The previous prime is 1246652213. The next prime is 1246652221. The reversal of 1246652220 is 222566421.

It is a happy number.

1246652220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1246652221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5491747 + ... + 5491973.

It is an arithmetic number, because the mean of its divisors is an integer number (20425608).

Almost surely, 2^1246652220 is an apocalyptic number.

1246652220 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 1246652220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960858368).

1246652220 is an abundant number, since it is smaller than the sum of its proper divisors (2675064516).

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

1246652220 is a wasteful number, since it uses less digits than its factorization.

1246652220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1246652220 is about 35307.9625580406. The cubic root of 1246652220 is about 1076.2548087591.

The spelling of 1246652220 in words is "one billion, two hundred forty-six million, six hundred fifty-two thousand, two hundred twenty".