1802754220 has 12 divisors (see below), whose sum is σ = 3785783904. Its totient is φ = 721101680.

The previous prime is 1802754157. The next prime is 1802754221. The reversal of 1802754220 is 224572081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1802754221) 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, 45068836 + ... + 45068875.

It is an arithmetic number, because the mean of its divisors is an integer number (315481992).

Almost surely, 2^1802754220 is an apocalyptic number.

1802754220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1802754220 is an abundant number, since it is smaller than the sum of its proper divisors (1983029684).

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

1802754220 is a wasteful number, since it uses less digits than its factorization.

1802754220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90137720 (or 90137718 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 1802754220 is about 42458.8532581840. The cubic root of 1802754220 is about 1217.0605170989.

The spelling of 1802754220 in words is "one billion, eight hundred two million, seven hundred fifty-four thousand, two hundred twenty".