20479111614 has 96 divisors (see below), whose sum is σ = 48384501984. Its totient is φ = 6222458880.

The previous prime is 20479111573. The next prime is 20479111621. The reversal of 20479111614 is 41611197402.

20479111614 is a `hidden beast` number, since 20 + 4 + 7 + 9 + 1 + 11 + 614 = 666.

It is a congruent number.

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, 15502074 + ... + 15503394.

It is an arithmetic number, because the mean of its divisors is an integer number (504005229).

Almost surely, 2^20479111614 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20479111614, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24192250992).

20479111614 is an abundant number, since it is smaller than the sum of its proper divisors (27905390370).

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

20479111614 is a wasteful number, since it uses less digits than its factorization.

20479111614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The spelling of 20479111614 in words is "twenty billion, four hundred seventy-nine million, one hundred eleven thousand, six hundred fourteen".