1873264220 has 12 divisors (see below), whose sum is σ = 3933854904. Its totient is φ = 749305680.

The previous prime is 1873264163. The next prime is 1873264223. The reversal of 1873264220 is 224623781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1873264223) 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, 46831586 + ... + 46831625.

It is an arithmetic number, because the mean of its divisors is an integer number (327821242).

Almost surely, 2^1873264220 is an apocalyptic number.

1873264220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1873264220 is an abundant number, since it is smaller than the sum of its proper divisors (2060590684).

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

1873264220 is a wasteful number, since it uses less digits than its factorization.

1873264220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93663220 (or 93663218 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1873264220 is about 43281.2224873559. Note that the first 3 decimals coincide. The cubic root of 1873264220 is about 1232.7254039868.

The spelling of 1873264220 in words is "one billion, eight hundred seventy-three million, two hundred sixty-four thousand, two hundred twenty".