20630614180 has 96 divisors (see below), whose sum is σ = 50206770432. Its totient is φ = 7037644800.

The previous prime is 20630614171. The next prime is 20630614183. The reversal of 20630614180 is 8141603602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20630614183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1154272 + ... + 1172008.

It is an arithmetic number, because the mean of its divisors is an integer number (522987192).

Almost surely, 2^20630614180 is an apocalyptic number.

20630614180 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 20630614180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25103385216).

20630614180 is an abundant number, since it is smaller than the sum of its proper divisors (29576156252).

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

20630614180 is a wasteful number, since it uses less digits than its factorization.

20630614180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18085 (or 18083 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 20630614180 in words is "twenty billion, six hundred thirty million, six hundred fourteen thousand, one hundred eighty".