20000223232 has 208 divisors, whose sum is σ = 46802718720. Its totient is φ = 8449228800.

The previous prime is 20000223211. The next prime is 20000223263. The reversal of 20000223232 is 23232200002.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 52219713 + ... + 52220095.

Almost surely, 2^20000223232 is an apocalyptic number.

20000223232 is a gapful number since it is divisible by the number (22) 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 20000223232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23401359360).

20000223232 is an abundant number, since it is smaller than the sum of its proper divisors (26802495488).

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

20000223232 is a wasteful number, since it uses less digits than its factorization.

20000223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 20000223232 its reverse (23232200002), we get a palindrome (43232423234).

It can be divided in two parts, 200002 and 23232, that multiplied together give a palindrome (4646446464).

The spelling of 20000223232 in words is "twenty billion, two hundred twenty-three thousand, two hundred thirty-two".