220032229977 has 192 divisors, whose sum is σ = 408748550400. Its totient is φ = 116275461120.

The previous prime is 220032229961. The next prime is 220032229993. The reversal of 220032229977 is 779922230022.

It is an interprime number because it is at equal distance from previous prime (220032229961) and next prime (220032229993).

It is not a de Polignac number, because 220032229977 - 2⁴ = 220032229961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220032229997) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 422326477 + ... + 422326997.

It is an arithmetic number, because the mean of its divisors is an integer number (2128898700).

Almost surely, 2^220032229977 is an apocalyptic number.

220032229977 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

220032229977 is a deficient number, since it is larger than the sum of its proper divisors (188716320423).

220032229977 is a wasteful number, since it uses less digits than its factorization.

220032229977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

Adding to 220032229977 its sum of digits (45), we get a palindrome (220032230022).

Adding to 220032229977 its reverse (779922230022), we get a palindrome (999954459999).

The spelling of 220032229977 in words is "two hundred twenty billion, thirty-two million, two hundred twenty-nine thousand, nine hundred seventy-seven".