1252020320200 has 48 divisors (see below), whose sum is σ = 3134866269780. Its totient is φ = 462284424960.

The previous prime is 1252020320119. The next prime is 1252020320203. The reversal of 1252020320200 is 20230202521.

It can be written as a sum of positive squares in 6 ways, for example, as 392680196164 + 859340124036 = 626642^2 + 927006^2 .

It is not an unprimeable number, because it can be changed into a prime (1252020320203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240770539 + ... + 240775738.

Almost surely, 2^{1252020320200} is an apocalyptic number.

1252020320200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252020320200 is an abundant number, since it is smaller than the sum of its proper divisors (1882845949580).

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

1252020320200 is a wasteful number, since it uses less digits than its factorization.

1252020320200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481546306 (or 481546297 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 1252020320200 its reverse (20230202521), we get a palindrome (1272250522721).

The spelling of 1252020320200 in words is "one trillion, two hundred fifty-two billion, twenty million, three hundred twenty thousand, two hundred".