20790913248 has 288 divisors, whose sum is σ = 74256134400. Its totient is φ = 5627397888.

The previous prime is 20790913237. The next prime is 20790913261. The reversal of 20790913248 is 84231909702.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791461 + ... + 817307.

It is an arithmetic number, because the mean of its divisors is an integer number (257833800).

Almost surely, 2^20790913248 is an apocalyptic number.

20790913248 is a gapful number since it is divisible by the number (28) 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 20790913248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37128067200).

20790913248 is an abundant number, since it is smaller than the sum of its proper divisors (53465221152).

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

20790913248 is a wasteful number, since it uses less digits than its factorization.

20790913248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25899 (or 25878 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 20790913248 in words is "twenty billion, seven hundred ninety million, nine hundred thirteen thousand, two hundred forty-eight".