20946316716 has 192 divisors, whose sum is σ = 62005493760. Its totient is φ = 6068079360.

The previous prime is 20946316669. The next prime is 20946316717. The reversal of 20946316716 is 61761364902.

20946316716 is a `hidden beast` number, since 2 + 0 + 9 + 4 + 631 + 6 + 7 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (20946316717) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1603885 + ... + 1616891.

It is an arithmetic number, because the mean of its divisors is an integer number (322945280).

Almost surely, 2^20946316716 is an apocalyptic number.

20946316716 is a gapful number since it is divisible by the number (26) 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 20946316716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31002746880).

20946316716 is an abundant number, since it is smaller than the sum of its proper divisors (41059177044).

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

20946316716 is a wasteful number, since it uses less digits than its factorization.

20946316716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101 (or 13093 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 20946316716 in words is "twenty billion, nine hundred forty-six million, three hundred sixteen thousand, seven hundred sixteen".