20776567032 has 192 divisors, whose sum is σ = 64296960000. Its totient is φ = 6007986432.

The previous prime is 20776566971. The next prime is 20776567033. The reversal of 20776567032 is 23076567702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20776567033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2253969 + ... + 2263167.

It is an arithmetic number, because the mean of its divisors is an integer number (334880000).

Almost surely, 2^20776567032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20776567032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32148480000).

20776567032 is an abundant number, since it is smaller than the sum of its proper divisors (43520392968).

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

20776567032 is a wasteful number, since it uses less digits than its factorization.

20776567032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9370 (or 9363 counting only the distinct ones).

The product of its (nonzero) digits is 740880, while the sum is 45.

The spelling of 20776567032 in words is "twenty billion, seven hundred seventy-six million, five hundred sixty-seven thousand, thirty-two".