10020021010 has 16 divisors (see below), whose sum is σ = 18173719872. Its totient is φ = 3977412400.

The previous prime is 10020020999. The next prime is 10020021019. The reversal of 10020021010 is 1012002001.

It is a junction number, because it is equal to n+sod(n) for n = 10020020984 and 10020021002.

It is not an unprimeable number, because it can be changed into a prime (10020021019) 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, 3823126 + ... + 3825745.

It is an arithmetic number, because the mean of its divisors is an integer number (1135857492).

Almost surely, 2^10020021010 is an apocalyptic number.

10020021010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10020021010 is a deficient number, since it is larger than the sum of its proper divisors (8153698862).

10020021010 is a wasteful number, since it uses less digits than its factorization.

10020021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649009.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 10020021010 its reverse (1012002001), we get a palindrome (11032023011).

The spelling of 10020021010 in words is "ten billion, twenty million, twenty-one thousand, ten".