220448194770 has 16 divisors (see below), whose sum is σ = 529075667520. Its totient is φ = 58786185264.

The previous prime is 220448194709. The next prime is 220448194787. The reversal of 220448194770 is 77491844022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3674136550 + ... + 3674136609.

It is an arithmetic number, because the mean of its divisors is an integer number (33067229220).

Almost surely, 2^220448194770 is an apocalyptic number.

220448194770 is an abundant number, since it is smaller than the sum of its proper divisors (308627472750).

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

220448194770 is a wasteful number, since it uses less digits than its factorization.

220448194770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7348273169.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 220448194770 in words is "two hundred twenty billion, four hundred forty-eight million, one hundred ninety-four thousand, seven hundred seventy".