20223051500 has 48 divisors (see below), whose sum is σ = 45591926016. Its totient is φ = 7828272000.

The previous prime is 20223051491. The next prime is 20223051523. The reversal of 20223051500 is 515032202.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636857 + ... + 667856.

It is an arithmetic number, because the mean of its divisors is an integer number (949831792).

Almost surely, 2^20223051500 is an apocalyptic number.

20223051500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223051500 is an abundant number, since it is smaller than the sum of its proper divisors (25368874516).

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

20223051500 is a wasteful number, since it uses less digits than its factorization.

20223051500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304763 (or 1304751 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 20223051500 its reverse (515032202), we get a palindrome (20738083702).

The spelling of 20223051500 in words is "twenty billion, two hundred twenty-three million, fifty-one thousand, five hundred".