20916141760 has 168 divisors, whose sum is σ = 53385415200. Its totient is φ = 7778377728.

The previous prime is 20916141739. The next prime is 20916141761. The reversal of 20916141760 is 6714161902.

It is a super-2 number, since 2×20916141760² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20916141761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105106141 + ... + 105106339.

Almost surely, 2^20916141760 is an apocalyptic number.

20916141760 is a gapful number since it is divisible by the number (20) 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 20916141760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26692707600).

20916141760 is an abundant number, since it is smaller than the sum of its proper divisors (32469273440).

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

20916141760 is a wasteful number, since it uses less digits than its factorization.

20916141760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 20916141760 in words is "twenty billion, nine hundred sixteen million, one hundred forty-one thousand, seven hundred sixty".