20203202202102 has 16 divisors (see below), whose sum is σ = 44896004893680. Its totient is φ = 6734400734016.

The previous prime is 20203202202101. The next prime is 20203202202109. The reversal of 20203202202102 is 20120220230202.

20203202202102 is a `hidden beast` number, since 2 + 0 + 20 + 320 + 220 + 2 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203202202101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187066687003 + ... + 187066687110.

It is an arithmetic number, because the mean of its divisors is an integer number (2806000305855).

Almost surely, 2^{20203202202102} is an apocalyptic number.

20203202202102 is an abundant number, since it is smaller than the sum of its proper divisors (24692802691578).

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

20203202202102 is a wasteful number, since it uses less digits than its factorization.

20203202202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374133374124 (or 374133374118 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20203202202102 its reverse (20120220230202), we get a palindrome (40323422432304).

The spelling of 20203202202102 in words is "twenty trillion, two hundred three billion, two hundred two million, two hundred two thousand, one hundred two".