1030020002120 has 64 divisors (see below), whose sum is σ = 2339547624000. Its totient is φ = 408097557760.

The previous prime is 1030020002051. The next prime is 1030020002183. The reversal of 1030020002120 is 212000200301.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39452831 + ... + 39478929.

It is an arithmetic number, because the mean of its divisors is an integer number (36555431625).

Almost surely, 2^{1030020002120} is an apocalyptic number.

1030020002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1030020002120 is an abundant number, since it is smaller than the sum of its proper divisors (1309527621880).

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

1030020002120 is a wasteful number, since it uses less digits than its factorization.

1030020002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35438 (or 35434 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1030020002120 its reverse (212000200301), we get a palindrome (1242020202421).

The spelling of 1030020002120 in words is "one trillion, thirty billion, twenty million, two thousand, one hundred twenty".