20741678152 has 192 divisors, whose sum is σ = 45643046400. Its totient is φ = 8774438400.

The previous prime is 20741678137. The next prime is 20741678161. The reversal of 20741678152 is 25187614702.

It is a super-2 number, since 2×20741678152² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20741678099 and 20741678108.

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, 262552849 + ... + 262552927.

It is an arithmetic number, because the mean of its divisors is an integer number (237724200).

Almost surely, 2^20741678152 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 20741678152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22821523200).

20741678152 is an abundant number, since it is smaller than the sum of its proper divisors (24901368248).

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

20741678152 is a wasteful number, since it uses less digits than its factorization.

20741678152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 20741678152 in words is "twenty billion, seven hundred forty-one million, six hundred seventy-eight thousand, one hundred fifty-two".