20010010002102 has 48 divisors (see below), whose sum is σ = 45270778595328. Its totient is φ = 6375665807280.

The previous prime is 20010010002091. The next prime is 20010010002109. The reversal of 20010010002102 is 20120001001002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010010002109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15819748 + ... + 17037735.

It is an arithmetic number, because the mean of its divisors is an integer number (943141220736).

Almost surely, 2^{20010010002102} is an apocalyptic number.

20010010002102 is an abundant number, since it is smaller than the sum of its proper divisors (25260768593226).

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

20010010002102 is a wasteful number, since it uses less digits than its factorization.

20010010002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32858985 (or 32858982 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20010010002102 its reverse (20120001001002), we get a palindrome (40130011003104).

The spelling of 20010010002102 in words is "twenty trillion, ten billion, ten million, two thousand, one hundred two".