20102131030 has 8 divisors (see below), whose sum is σ = 36183835872. Its totient is φ = 8040852408.

The previous prime is 20102131003. The next prime is 20102131111. The reversal of 20102131030 is 3013120102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20102131030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005106542 + ... + 1005106561.

It is an arithmetic number, because the mean of its divisors is an integer number (4522979484).

Almost surely, 2^20102131030 is an apocalyptic number.

20102131030 is a deficient number, since it is larger than the sum of its proper divisors (16081704842).

20102131030 is a wasteful number, since it uses less digits than its factorization.

20102131030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010213110.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 20102131030 its reverse (3013120102), we get a palindrome (23115251132).

The spelling of 20102131030 in words is "twenty billion, one hundred two million, one hundred thirty-one thousand, thirty".