220499999999892 has 36 divisors (see below), whose sum is σ = 565010273979060. Its totient is φ = 72493150684032.

The previous prime is 220499999999861. The next prime is 220499999999927. The reversal of 220499999999892 is 298999999994022.

220499999999892 is a `hidden beast` number, since 2 + 20 + 499 + 9 + 9 + 9 + 9 + 9 + 9 + 89 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 130928426220816 + 89571573779076 = 11442396^2 + 9464226^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 220499999999793 and 220499999999802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41952052167 + ... + 41952057422.

Almost surely, 2^{220499999999892} is an apocalyptic number.

It is an amenable number.

220499999999892 is an abundant number, since it is smaller than the sum of its proper divisors (344510273979168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220499999999892 is a wasteful number, since it uses less digits than its factorization.

220499999999892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83904109672 (or 83904109667 counting only the distinct ones).

The product of its (nonzero) digits is 99179645184, while the sum is 99.

The spelling of 220499999999892 in words is "two hundred twenty trillion, four hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, eight hundred ninety-two".