10143420320 has 72 divisors (see below), whose sum is σ = 26340459012. Its totient is φ = 3688509440.

The previous prime is 10143420293. The next prime is 10143420323. The reversal of 10143420320 is 2302434101.

It can be written as a sum of positive squares in 2 ways, for example, as 9601648144 + 541772176 = 97988^2 + 23276^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10143420292 and 10143420301.

It is not an unprimeable number, because it can be changed into a prime (10143420323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242609 + ... + 281328.

Almost surely, 2^10143420320 is an apocalyptic number.

10143420320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10143420320 is an abundant number, since it is smaller than the sum of its proper divisors (16197038692).

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

10143420320 is a wasteful number, since it uses less digits than its factorization.

10143420320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523974 (or 523955 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 10143420320 its reverse (2302434101), we get a palindrome (12445854421).

The spelling of 10143420320 in words is "ten billion, one hundred forty-three million, four hundred twenty thousand, three hundred twenty".