1253320002 has 96 divisors (see below), whose sum is σ = 3273229440. Its totient is φ = 341890560.

The previous prime is 1253319989. The next prime is 1253320007. The reversal of 1253320002 is 2000233521.

It is a super-2 number, since 2×1253320002² = 3141622054826560008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1253320007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69324 + ... + 85512.

It is an arithmetic number, because the mean of its divisors is an integer number (34096140).

Almost surely, 2^1253320002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253320002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1636614720).

1253320002 is an abundant number, since it is smaller than the sum of its proper divisors (2019909438).

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

1253320002 is a wasteful number, since it uses less digits than its factorization.

1253320002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16248 (or 16245 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1253320002 is about 35402.2598431230. The cubic root of 1253320002 is about 1078.1701989167.

Adding to 1253320002 its reverse (2000233521), we get a palindrome (3253553523).

The spelling of 1253320002 in words is "one billion, two hundred fifty-three million, three hundred twenty thousand, two".