662206004101220 has 12 divisors (see below), whose sum is σ = 1390632608612604. Its totient is φ = 264882401640480.

The previous prime is 662206004101199. The next prime is 662206004101231. The reversal of 662206004101220 is 22101400602266.

It can be written as a sum of positive squares in 2 ways, for example, as 440309706339364 + 221896297761856 = 20983558^2 + 14896184^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 16555150102511 + ... + 16555150102550.

It is an arithmetic number, because the mean of its divisors is an integer number (115886050717717).

Almost surely, 2^{662206004101220} is an apocalyptic number.

It is an amenable number.

662206004101220 is an abundant number, since it is smaller than the sum of its proper divisors (728426604511384).

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

662206004101220 is a wasteful number, since it uses less digits than its factorization.

662206004101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33110300205070 (or 33110300205068 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

Adding to 662206004101220 its reverse (22101400602266), we get a palindrome (684307404703486).

The spelling of 662206004101220 in words is "six hundred sixty-two trillion, two hundred six billion, four million, one hundred one thousand, two hundred twenty".