10030221940 has 24 divisors (see below), whose sum is σ = 21138436872. Its totient is φ = 3997808640.

The previous prime is 10030221937. The next prime is 10030222039. The reversal of 10030221940 is 4912203001.

It can be written as a sum of positive squares in 4 ways, for example, as 4185313636 + 5844908304 = 64694^2 + 76452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886749 + ... + 897988.

It is an arithmetic number, because the mean of its divisors is an integer number (880768203).

Almost surely, 2^10030221940 is an apocalyptic number.

10030221940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030221940 is an abundant number, since it is smaller than the sum of its proper divisors (11108214932).

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

10030221940 is a wasteful number, since it uses less digits than its factorization.

10030221940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785027 (or 1785025 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 10030221940 its reverse (4912203001), we get a palindrome (14942424941).

The spelling of 10030221940 in words is "ten billion, thirty million, two hundred twenty-one thousand, nine hundred forty".