20427124300 has 36 divisors (see below), whose sum is σ = 48356576856. Its totient is φ = 7428044800.

The previous prime is 20427124261. The next prime is 20427124301. The reversal of 20427124300 is 342172402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (20427124301) 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, 9283957 + ... + 9286156.

It is an arithmetic number, because the mean of its divisors is an integer number (1343238246).

Almost surely, 2^20427124300 is an apocalyptic number.

20427124300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20427124300 is an abundant number, since it is smaller than the sum of its proper divisors (27929452556).

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

20427124300 is a wasteful number, since it uses less digits than its factorization.

20427124300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18570138 (or 18570131 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 20427124300 its reverse (342172402), we get a palindrome (20769296702).

The spelling of 20427124300 in words is "twenty billion, four hundred twenty-seven million, one hundred twenty-four thousand, three hundred".