20990919100322 has 8 divisors (see below), whose sum is σ = 31540947765996. Its totient is φ = 10477269844992.

The previous prime is 20990919100199. The next prime is 20990919100337. The reversal of 20990919100322 is 22300191909902.

It can be written as a sum of positive squares in 2 ways, for example, as 19094374223521 + 1896544876801 = 4369711^2 + 1377151^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9094851143 + ... + 9094853450.

Almost surely, 2^{20990919100322} is an apocalyptic number.

20990919100322 is a deficient number, since it is larger than the sum of its proper divisors (10550028665674).

20990919100322 is a wasteful number, since it uses less digits than its factorization.

20990919100322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18189705172.

The product of its (nonzero) digits is 157464, while the sum is 47.

The spelling of 20990919100322 in words is "twenty trillion, nine hundred ninety billion, nine hundred nineteen million, one hundred thousand, three hundred twenty-two".