227997711720 has 48 divisors (see below), whose sum is σ = 740992564260. Its totient is φ = 60799389696.

The previous prime is 227997711691. The next prime is 227997711743. The reversal of 227997711720 is 27117799722.

It can be written as a sum of positive squares in 2 ways, for example, as 227466040356 + 531671364 = 476934^2 + 23058^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316663129 + ... + 316663848.

Almost surely, 2^227997711720 is an apocalyptic number.

227997711720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227997711720 is an abundant number, since it is smaller than the sum of its proper divisors (512994852540).

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

227997711720 is a wasteful number, since it uses less digits than its factorization.

227997711720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633326994 (or 633326987 counting only the distinct ones).

The product of its (nonzero) digits is 1555848, while the sum is 54.

The spelling of 227997711720 in words is "two hundred twenty-seven billion, nine hundred ninety-seven million, seven hundred eleven thousand, seven hundred twenty".