220667478669276 has 288 divisors, whose sum is σ = 553894960679424. Its totient is φ = 68238496972800.

The previous prime is 220667478669269. The next prime is 220667478669329. The reversal of 220667478669276 is 672966874766022.

It is a super-2 number, since 2×220667478669276² (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 95 ways as a sum of consecutive naturals, for example, 27992826031 + ... + 27992833913.

It is an arithmetic number, because the mean of its divisors is an integer number (1923246391248).

Almost surely, 2^{220667478669276} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220667478669276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276947480339712).

220667478669276 is an abundant number, since it is smaller than the sum of its proper divisors (333227482010148).

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

220667478669276 is a wasteful number, since it uses less digits than its factorization.

220667478669276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8413 (or 8350 counting only the distinct ones).

The product of its (nonzero) digits is 6145155072, while the sum is 78.

The spelling of 220667478669276 in words is "two hundred twenty trillion, six hundred sixty-seven billion, four hundred seventy-eight million, six hundred sixty-nine thousand, two hundred seventy-six".