20755692848 has 80 divisors (see below), whose sum is σ = 44665668000. Its totient is φ = 9264752640.

The previous prime is 20755692829. The next prime is 20755692949. The reversal of 20755692848 is 84829655702.

It is a happy number.

It is a super-2 number, since 2×20755692848² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20755692793 and 20755692802.

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, 2329490 + ... + 2338382.

It is an arithmetic number, because the mean of its divisors is an integer number (558320850).

Almost surely, 2^20755692848 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 20755692848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22332834000).

20755692848 is an abundant number, since it is smaller than the sum of its proper divisors (23909975152).

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

20755692848 is a wasteful number, since it uses less digits than its factorization.

20755692848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150 (or 9144 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 20755692848 in words is "twenty billion, seven hundred fifty-five million, six hundred ninety-two thousand, eight hundred forty-eight".