20233927680 has 176 divisors, whose sum is σ = 68524716960. Its totient is φ = 5078253568.

The previous prime is 20233927667. The next prime is 20233927699. The reversal of 20233927680 is 8672933202.

It is a congruent number.

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, 222376 + ... + 299864.

Almost surely, 2^20233927680 is an apocalyptic number.

20233927680 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 20233927680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34262358480).

20233927680 is an abundant number, since it is smaller than the sum of its proper divisors (48290789280).

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

20233927680 is a wasteful number, since it uses less digits than its factorization.

20233927680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77534 (or 77516 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The spelling of 20233927680 in words is "twenty billion, two hundred thirty-three million, nine hundred twenty-seven thousand, six hundred eighty".