20001031102 has 16 divisors (see below), whose sum is σ = 32311747440. Its totient is φ = 9230562432.

The previous prime is 20001031069. The next prime is 20001031139. The reversal of 20001031102 is 20113010002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557973 + ... + 592735.

It is an arithmetic number, because the mean of its divisors is an integer number (2019484215).

Almost surely, 2^20001031102 is an apocalyptic number.

20001031102 is a deficient number, since it is larger than the sum of its proper divisors (12310716338).

20001031102 is a wasteful number, since it uses less digits than its factorization.

20001031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56907.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 20001031102 its reverse (20113010002), we get a palindrome (40114041104).

The spelling of 20001031102 in words is "twenty billion, one million, thirty-one thousand, one hundred two".