11020420252400 has 60 divisors (see below), whose sum is σ = 28513218104952. Its totient is φ = 4069078245120.

The previous prime is 11020420252379. The next prime is 11020420252403. The reversal of 11020420252400 is 425202402011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020420252403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059650594 + ... + 1059660993.

Almost surely, 2^{11020420252400} is an apocalyptic number.

11020420252400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020420252400 is an abundant number, since it is smaller than the sum of its proper divisors (17492797852552).

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

11020420252400 is a wasteful number, since it uses less digits than its factorization.

11020420252400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119311618 (or 2119311607 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

Adding to 11020420252400 its reverse (425202402011), we get a palindrome (11445622654411).

The spelling of 11020420252400 in words is "eleven trillion, twenty billion, four hundred twenty million, two hundred fifty-two thousand, four hundred".