220499999999990 has 8 divisors (see below), whose sum is σ = 396900000000000. Its totient is φ = 88199999999992.

The previous prime is 220499999999989. The next prime is 220500000000031. The reversal of 220499999999990 is 99999999994022.

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

It is a super-9 number, since 9×220499999999990⁹ (a number of 131 digits) contains 999999999 as substring.

It is a congruent number.

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, 11024999999990 + ... + 11025000000009.

It is an arithmetic number, because the mean of its divisors is an integer number (49612500000000).

Almost surely, 2^{220499999999990} is an apocalyptic number.

220499999999990 is a deficient number, since it is larger than the sum of its proper divisors (176400000000010).

220499999999990 is a wasteful number, since it uses less digits than its factorization.

220499999999990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22050000000006.

The product of its (nonzero) digits is 55788550416, while the sum is 98.

The spelling of 220499999999990 in words is "two hundred twenty trillion, four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety".