10143331020 has 144 divisors (see below), whose sum is σ = 31502513952. Its totient is φ = 2641075200.

The previous prime is 10143330973. The next prime is 10143331069. The reversal of 10143331020 is 2013334101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10143330984 and 10143331002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1323319 + ... + 1330961.

It is an arithmetic number, because the mean of its divisors is an integer number (218767458).

Almost surely, 2^10143331020 is an apocalyptic number.

10143331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10143331020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15751256976).

10143331020 is an abundant number, since it is smaller than the sum of its proper divisors (21359182932).

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

10143331020 is a wasteful number, since it uses less digits than its factorization.

10143331020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832 (or 7827 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10143331020 its reverse (2013334101), we get a palindrome (12156665121).

The spelling of 10143331020 in words is "ten billion, one hundred forty-three million, three hundred thirty-one thousand, twenty".