20487377082 has 8 divisors (see below), whose sum is σ = 40974754176. Its totient is φ = 6829125692.

The previous prime is 20487377063. The next prime is 20487377089. The reversal of 20487377082 is 28077378402.

It is a sphenic number, since it is the product of 3 distinct primes.

20487377082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20487377089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1707281418 + ... + 1707281429.

It is an arithmetic number, because the mean of its divisors is an integer number (5121844272).

Almost surely, 2^20487377082 is an apocalyptic number.

20487377082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20487377082 is a wasteful number, since it uses less digits than its factorization.

20487377082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414562852.

The product of its (nonzero) digits is 1053696, while the sum is 48.

The spelling of 20487377082 in words is "twenty billion, four hundred eighty-seven million, three hundred seventy-seven thousand, eighty-two".