20031001002102 has 16 divisors (see below), whose sum is σ = 40817888835120. Its totient is φ = 6551019195552.

The previous prime is 20031001002097. The next prime is 20031001002121. The reversal of 20031001002102 is 20120010013002.

It is a super-2 number, since 2×20031001002102² (a number of 27 digits) contains 22 as substring.

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, 31495284277 + ... + 31495284912.

It is an arithmetic number, because the mean of its divisors is an integer number (2551118052195).

Almost surely, 2^{20031001002102} is an apocalyptic number.

20031001002102 is an abundant number, since it is smaller than the sum of its proper divisors (20786887833018).

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

20031001002102 is a wasteful number, since it uses less digits than its factorization.

20031001002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62990569247.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20031001002102 its reverse (20120010013002), we get a palindrome (40151011015104).

The spelling of 20031001002102 in words is "twenty trillion, thirty-one billion, one million, two thousand, one hundred two".