10304550020 has 12 divisors (see below), whose sum is σ = 21639555084. Its totient is φ = 4121820000.

The previous prime is 10304549993. The next prime is 10304550037. The reversal of 10304550020 is 2005540301.

It can be written as a sum of positive squares in 2 ways, for example, as 6519593536 + 3784956484 = 80744^2 + 61522^2 .

It is a super-2 number, since 2×10304550020² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 515227501 = 10304550020 / (1 + 0 + 3 + 0 + 4 + 5 + 5 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 10304549974 and 10304550001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257613731 + ... + 257613770.

It is an arithmetic number, because the mean of its divisors is an integer number (1803296257).

Almost surely, 2^10304550020 is an apocalyptic number.

10304550020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10304550020 is an abundant number, since it is smaller than the sum of its proper divisors (11335005064).

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

10304550020 is a wasteful number, since it uses less digits than its factorization.

10304550020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515227510 (or 515227508 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The spelling of 10304550020 in words is "ten billion, three hundred four million, five hundred fifty thousand, twenty".