20331210030 has 16 divisors (see below), whose sum is σ = 48794904144. Its totient is φ = 5421656000.

The previous prime is 20331210017. The next prime is 20331210073. The reversal of 20331210030 is 3001213302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20331209991 and 20331210009.

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, 338853471 + ... + 338853530.

It is an arithmetic number, because the mean of its divisors is an integer number (3049681509).

Almost surely, 2^20331210030 is an apocalyptic number.

20331210030 is an abundant number, since it is smaller than the sum of its proper divisors (28463694114).

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

20331210030 is a wasteful number, since it uses less digits than its factorization.

20331210030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677707011.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20331210030 its reverse (3001213302), we get a palindrome (23332423332).

The spelling of 20331210030 in words is "twenty billion, three hundred thirty-one million, two hundred ten thousand, thirty".