20021220201098 has 32 divisors (see below), whose sum is σ = 31102843622400. Its totient is φ = 9659708853120.

The previous prime is 20021220201071. The next prime is 20021220201119. The reversal of 20021220201098 is 89010202212002.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20021220201098.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17428703 + ... + 18541901.

It is an arithmetic number, because the mean of its divisors is an integer number (971963863200).

Almost surely, 2^{20021220201098} is an apocalyptic number.

20021220201098 is a deficient number, since it is larger than the sum of its proper divisors (11081623421302).

20021220201098 is a wasteful number, since it uses less digits than its factorization.

20021220201098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115942.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 20021220201098 in words is "twenty trillion, twenty-one billion, two hundred twenty million, two hundred one thousand, ninety-eight".