20021002098 has 8 divisors (see below), whose sum is σ = 40042004208. Its totient is φ = 6673667364.

The previous prime is 20021002091. The next prime is 20021002117. The reversal of 20021002098 is 89020012002.

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

20021002098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20021002091) 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, 1668416836 + ... + 1668416847.

It is an arithmetic number, because the mean of its divisors is an integer number (5005250526).

Almost surely, 2^20021002098 is an apocalyptic number.

20021002098 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.

20021002098 is a wasteful number, since it uses less digits than its factorization.

20021002098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336833688.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 20021002098 in words is "twenty billion, twenty-one million, two thousand, ninety-eight".