20231002102 has 32 divisors (see below), whose sum is σ = 30960921600.
Its totient is φ = 9913332000.
The previous prime is 20231002097. The next prime is 20231002109. The reversal of 20231002102 is 20120013202.
Adding to 20231002102 its reverse (20120013202), we get a palindrome (40351015304).
It can be divided in two parts, 2023100 and 2102, that added together give a palindrome (2025202).
It is a super-2 number, since 2×202310021022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20231002109) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8431899 + ... + 8434297.
It is an arithmetic number, because the mean of its divisors is an integer number (967528800).
Almost surely, 220231002102 is an apocalyptic number.
20231002102 is a deficient number, since it is larger than the sum of its proper divisors (10729919498).
20231002102 is a wasteful number, since it uses less digits than its factorization.
20231002102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2916.
The product of its (nonzero) digits is 48, while the sum is 13.
The spelling of 20231002102 in words is "twenty billion, two hundred thirty-one million, two thousand, one hundred two".