220051044645420 has 48 divisors (see below), whose sum is σ = 616143643543008. Its totient is φ = 58680210140160.

The previous prime is 220051044645371. The next prime is 220051044645463. The reversal of 220051044645420 is 24546440150022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69665140 + ... + 72755300.

It is an arithmetic number, because the mean of its divisors is an integer number (12836325907146).

Almost surely, 2^{220051044645420} is an apocalyptic number.

220051044645420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220051044645420 is an abundant number, since it is smaller than the sum of its proper divisors (396092598897588).

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

220051044645420 is a wasteful number, since it uses less digits than its factorization.

220051044645420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277010 (or 4277008 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 220051044645420 its reverse (24546440150022), we get a palindrome (244597484795442).

The spelling of 220051044645420 in words is "two hundred twenty trillion, fifty-one billion, forty-four million, six hundred forty-five thousand, four hundred twenty".