20787934098 has 8 divisors (see below), whose sum is σ = 41575868208. Its totient is φ = 6929311364.

The previous prime is 20787934081. The next prime is 20787934099. The reversal of 20787934098 is 89043978702.

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

20787934098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20787934099) 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, 1732327836 + ... + 1732327847.

It is an arithmetic number, because the mean of its divisors is an integer number (5196983526).

Almost surely, 2^20787934098 is an apocalyptic number.

20787934098 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.

20787934098 is a wasteful number, since it uses less digits than its factorization.

20787934098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464655688.

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 20787934098 in words is "twenty billion, seven hundred eighty-seven million, nine hundred thirty-four thousand, ninety-eight".