20886532098 has 8 divisors (see below), whose sum is σ = 41773064208. Its totient is φ = 6962177364.

The previous prime is 20886532091. The next prime is 20886532099. The reversal of 20886532098 is 89023568802.

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

20886532098 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 20886532098.

It is not an unprimeable number, because it can be changed into a prime (20886532091) 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, 1740544336 + ... + 1740544347.

It is an arithmetic number, because the mean of its divisors is an integer number (5221633026).

Almost surely, 2^20886532098 is an apocalyptic number.

20886532098 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.

20886532098 is a wasteful number, since it uses less digits than its factorization.

20886532098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481088688.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 20886532098 in words is "twenty billion, eight hundred eighty-six million, five hundred thirty-two thousand, ninety-eight".