20434140303102 has 32 divisors (see below), whose sum is σ = 46636476372000. Its totient is φ = 6627288746304.

The previous prime is 20434140303047. The next prime is 20434140303107. The reversal of 20434140303102 is 20130304143402.

20434140303102 is a `hidden beast` number, since 2 + 0 + 4 + 341 + 4 + 0 + 3 + 0 + 310 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20434140303107) 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, 5113646727 + ... + 5113650722.

It is an arithmetic number, because the mean of its divisors is an integer number (1457389886625).

Almost surely, 2^{20434140303102} is an apocalyptic number.

20434140303102 is an abundant number, since it is smaller than the sum of its proper divisors (26202336068898).

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

20434140303102 is a wasteful number, since it uses less digits than its factorization.

20434140303102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227297497 (or 10227297491 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 20434140303102 its reverse (20130304143402), we get a palindrome (40564444446504).

The spelling of 20434140303102 in words is "twenty trillion, four hundred thirty-four billion, one hundred forty million, three hundred three thousand, one hundred two".