220212020219977 has 8 divisors (see below), whose sum is σ = 220860809461800. Its totient is φ = 219563371991040.

The previous prime is 220212020219959. The next prime is 220212020219987. The reversal of 220212020219977 is 779912020212022.

It can be written as a sum of positive squares in 4 ways, for example, as 10783106007696 + 209428914212281 = 3283764^2 + 14471659^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 220212020219977 - 2¹⁵ = 220212020187209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220212020219987) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32124924 + ... + 38372317.

It is an arithmetic number, because the mean of its divisors is an integer number (27607601182725).

Almost surely, 2^{220212020219977} is an apocalyptic number.

It is an amenable number.

220212020219977 is a deficient number, since it is larger than the sum of its proper divisors (648789241823).

220212020219977 is an equidigital number, since it uses as much as digits as its factorization.

220212020219977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70506443.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 220212020219977 in words is "two hundred twenty trillion, two hundred twelve billion, twenty million, two hundred nineteen thousand, nine hundred seventy-seven".