20301552305400 has 96 divisors (see below), whose sum is σ = 62938175270400. Its totient is φ = 5413457980800.

The previous prime is 20301552305371. The next prime is 20301552305443. The reversal of 20301552305400 is 450325510302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10451991 + ... + 12241209.

It is an arithmetic number, because the mean of its divisors is an integer number (655605992400).

Almost surely, 2^{20301552305400} is an apocalyptic number.

20301552305400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301552305400 is an abundant number, since it is smaller than the sum of its proper divisors (42636622965000).

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

20301552305400 is a wasteful number, since it uses less digits than its factorization.

20301552305400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808149 (or 1808140 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 20301552305400 its reverse (450325510302), we get a palindrome (20751877815702).

The spelling of 20301552305400 in words is "twenty trillion, three hundred one billion, five hundred fifty-two million, three hundred five thousand, four hundred".