20224302500 has 60 divisors (see below), whose sum is σ = 46149527424. Its totient is φ = 7737972000.

The previous prime is 20224302499. The next prime is 20224302503. The reversal of 20224302500 is 520342202.

It is a super-2 number, since 2×20224302500² (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 (20224302503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118364 + ... + 233363.

Almost surely, 2^20224302500 is an apocalyptic number.

20224302500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20224302500 is an abundant number, since it is smaller than the sum of its proper divisors (25925224924).

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

20224302500 is a wasteful number, since it uses less digits than its factorization.

20224302500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351774 (or 351757 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 20224302500 its reverse (520342202), we get a palindrome (20744644702).

The spelling of 20224302500 in words is "twenty billion, two hundred twenty-four million, three hundred two thousand, five hundred".