20242231400 has 48 divisors (see below), whose sum is σ = 49540207200. Its totient is φ = 7670738880.

The previous prime is 20242231369. The next prime is 20242231409. The reversal of 20242231400 is 413224202.

It is a super-2 number, since 2×20242231400² (a number of 21 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20242231409) 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, 2659652 + ... + 2667251.

It is an arithmetic number, because the mean of its divisors is an integer number (1032087650).

Almost surely, 2^20242231400 is an apocalyptic number.

20242231400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242231400 is an abundant number, since it is smaller than the sum of its proper divisors (29297975800).

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

20242231400 is a wasteful number, since it uses less digits than its factorization.

20242231400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5326938 (or 5326929 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20242231400 its reverse (413224202), we get a palindrome (20655455602).

The spelling of 20242231400 in words is "twenty billion, two hundred forty-two million, two hundred thirty-one thousand, four hundred".