20093287500 has 432 divisors, whose sum is σ = 74643660000. Its totient is φ = 4492800000.

The previous prime is 20093287499. The next prime is 20093287567. The reversal of 20093287500 is 578239002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16086876 + ... + 16088124.

It is an arithmetic number, because the mean of its divisors is an integer number (172786250).

Almost surely, 2^20093287500 is an apocalyptic number.

20093287500 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 20093287500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37321830000).

20093287500 is an abundant number, since it is smaller than the sum of its proper divisors (54550372500).

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

20093287500 is a wasteful number, since it uses less digits than its factorization.

20093287500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 20093287500 in words is "twenty billion, ninety-three million, two hundred eighty-seven thousand, five hundred".