20242055400 has 96 divisors (see below), whose sum is σ = 71714725440. Its totient is φ = 4626754560.

The previous prime is 20242055387. The next prime is 20242055411. The reversal of 20242055400 is 455024202.

It is a happy number.

It is a super-3 number, since 3×20242055400³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2405569 + ... + 2413968.

It is an arithmetic number, because the mean of its divisors is an integer number (747028390).

Almost surely, 2^20242055400 is an apocalyptic number.

20242055400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242055400 is an abundant number, since it is smaller than the sum of its proper divisors (51472670040).

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

20242055400 is a wasteful number, since it uses less digits than its factorization.

20242055400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819563 (or 4819554 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 20242055400 its reverse (455024202), we get a palindrome (20697079602).

The spelling of 20242055400 in words is "twenty billion, two hundred forty-two million, fifty-five thousand, four hundred".