220477854433 has 16 divisors (see below), whose sum is σ = 235256112000. Its totient is φ = 206171792640.

The previous prime is 220477854397. The next prime is 220477854463. The reversal of 220477854433 is 334458774022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220477854433 is a prime.

It is a super-2 number, since 2×220477854433² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220477854463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203208 + ... + 694441.

It is an arithmetic number, because the mean of its divisors is an integer number (14703507000).

Almost surely, 2^220477854433 is an apocalyptic number.

220477854433 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

220477854433 is a deficient number, since it is larger than the sum of its proper divisors (14778257567).

220477854433 is a wasteful number, since it uses less digits than its factorization.

220477854433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897912.

The product of its (nonzero) digits is 4515840, while the sum is 49.

The spelling of 220477854433 in words is "two hundred twenty billion, four hundred seventy-seven million, eight hundred fifty-four thousand, four hundred thirty-three".