20532401300 has 72 divisors (see below), whose sum is σ = 48939576000. Its totient is φ = 7442392320.

The previous prime is 20532401297. The next prime is 20532401333. The reversal of 20532401300 is 310423502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 191225 + ... + 278624.

Almost surely, 2^20532401300 is an apocalyptic number.

20532401300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20532401300 is an abundant number, since it is smaller than the sum of its proper divisors (28407174700).

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

20532401300 is a wasteful number, since it uses less digits than its factorization.

20532401300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469905 (or 469898 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 20532401300 its reverse (310423502), we get a palindrome (20842824802).

The spelling of 20532401300 in words is "twenty billion, five hundred thirty-two million, four hundred one thousand, three hundred".