10030220020 has 12 divisors (see below), whose sum is σ = 21063462084. Its totient is φ = 4012088000.

The previous prime is 10030219993. The next prime is 10030220021. The reversal of 10030220020 is 2002203001.

It can be written as a sum of positive squares in 2 ways, for example, as 3895257744 + 6134962276 = 62412^2 + 78326^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10030219979 and 10030220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030220021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250755481 + ... + 250755520.

It is an arithmetic number, because the mean of its divisors is an integer number (1755288507).

Almost surely, 2^10030220020 is an apocalyptic number.

10030220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10030220020 is an abundant number, since it is smaller than the sum of its proper divisors (11033242064).

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

10030220020 is a wasteful number, since it uses less digits than its factorization.

10030220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501511010 (or 501511008 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 10030220020 its reverse (2002203001), we get a palindrome (12032423021).

The spelling of 10030220020 in words is "ten billion, thirty million, two hundred twenty thousand, twenty".