20142350500 has 48 divisors (see below), whose sum is σ = 44032335984. Its totient is φ = 8049350400.

The previous prime is 20142350491. The next prime is 20142350507. The reversal of 20142350500 is 505324102.

It can be written as a sum of positive squares in 8 ways, for example, as 963978304 + 19178372196 = 31048^2 + 138486^2 .

It is not an unprimeable number, because it can be changed into a prime (20142350507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528072 + ... + 564928.

It is an arithmetic number, because the mean of its divisors is an integer number (917340333).

Almost surely, 2^20142350500 is an apocalyptic number.

20142350500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20142350500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22016167992).

20142350500 is an abundant number, since it is smaller than the sum of its proper divisors (23889985484).

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

20142350500 is a wasteful number, since it uses less digits than its factorization.

20142350500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37969 (or 37957 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20142350500 its reverse (505324102), we get a palindrome (20647674602).

The spelling of 20142350500 in words is "twenty billion, one hundred forty-two million, three hundred fifty thousand, five hundred".