218147020770000 has 400 divisors, whose sum is σ = 830770362785792. Its totient is φ = 48253717440000.

The previous prime is 218147020769947. The next prime is 218147020770017. The reversal of 218147020770000 is 77020741812.

It is a tau number, because it is divible by the number of its divisors (400).

It is a super-2 number, since 2×218147020770000² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10244764 + ... + 23264763.

Almost surely, 2^{218147020770000} is an apocalyptic number.

218147020770000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

218147020770000 is an abundant number, since it is smaller than the sum of its proper divisors (612623342015792).

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

218147020770000 is a wasteful number, since it uses less digits than its factorization.

218147020770000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33509596 (or 33509575 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The spelling of 218147020770000 in words is "two hundred eighteen trillion, one hundred forty-seven billion, twenty million, seven hundred seventy thousand".