1672200220 has 12 divisors (see below), whose sum is σ = 3511620504. Its totient is φ = 668880080.

The previous prime is 1672200209. The next prime is 1672200221. The reversal of 1672200220 is 220022761.

It is a junction number, because it is equal to n+sod(n) for n = 1672200191 and 1672200200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672200221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41804986 + ... + 41805025.

It is an arithmetic number, because the mean of its divisors is an integer number (292635042).

Almost surely, 2^1672200220 is an apocalyptic number.

1672200220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1672200220 is an abundant number, since it is smaller than the sum of its proper divisors (1839420284).

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

1672200220 is a wasteful number, since it uses less digits than its factorization.

1672200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83610020 (or 83610018 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1672200220 is about 40892.5447973099. The cubic root of 1672200220 is about 1186.9418025850.

Adding to 1672200220 its reverse (220022761), we get a palindrome (1892222981).

The spelling of 1672200220 in words is "one billion, six hundred seventy-two million, two hundred thousand, two hundred twenty".