10020021043 has 8 divisors (see below), whose sum is σ = 10366956000. Its totient is φ = 9673180608.

The previous prime is 10020021041. The next prime is 10020021059. The reversal of 10020021043 is 34012002001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10020021043 - 2¹ = 10020021041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020021041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243330 + ... + 281512.

It is an arithmetic number, because the mean of its divisors is an integer number (1295869500).

Almost surely, 2^10020021043 is an apocalyptic number.

10020021043 is a deficient number, since it is larger than the sum of its proper divisors (346934957).

10020021043 is an equidigital number, since it uses as much as digits as its factorization.

10020021043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47261.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 10020021043 its reverse (34012002001), we get a palindrome (44032023044).

The spelling of 10020021043 in words is "ten billion, twenty million, twenty-one thousand, forty-three".