10043215020 has 72 divisors (see below), whose sum is σ = 31172917776. Its totient is φ = 2615905152.

The previous prime is 10043214947. The next prime is 10043215031. The reversal of 10043215020 is 2051234001.

10043215020 is a `hidden beast` number, since 100 + 43 + 21 + 502 + 0 = 666.

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 = 10043214984 and 10043215002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 641047 + ... + 656526.

Almost surely, 2^10043215020 is an apocalyptic number.

10043215020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10043215020 is an abundant number, since it is smaller than the sum of its proper divisors (21129702756).

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

10043215020 is a wasteful number, since it uses less digits than its factorization.

10043215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297631 (or 1297626 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10043215020 its reverse (2051234001), we get a palindrome (12094449021).

The spelling of 10043215020 in words is "ten billion, forty-three million, two hundred fifteen thousand, twenty".