220466510099990 has 256 divisors, whose sum is σ = 521250040774656. Its totient is φ = 65097671654400.

The previous prime is 220466510099951. The next prime is 220466510100017. The reversal of 220466510099990 is 99990015664022.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1045616957 + ... + 1045827783.

It is an arithmetic number, because the mean of its divisors is an integer number (2036132971776).

Almost surely, 2^{220466510099990} is an apocalyptic number.

220466510099990 is an abundant number, since it is smaller than the sum of its proper divisors (300783530674666).

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

220466510099990 is a wasteful number, since it uses less digits than its factorization.

220466510099990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211443.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The spelling of 220466510099990 in words is "two hundred twenty trillion, four hundred sixty-six billion, five hundred ten million, ninety-nine thousand, nine hundred ninety".