20202101022402 has 192 divisors, whose sum is σ = 49170493532160. Its totient is φ = 5952331008000.

The previous prime is 20202101022401. The next prime is 20202101022451. The reversal of 20202101022402 is 20422010120202.

20202101022402 is a `hidden beast` number, since 2 + 0 + 20 + 210 + 10 + 22 + 402 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (20202101022401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1353204474 + ... + 1353219402.

It is an arithmetic number, because the mean of its divisors is an integer number (256096320480).

Almost surely, 2^{20202101022402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20202101022402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24585246766080).

20202101022402 is an abundant number, since it is smaller than the sum of its proper divisors (28968392509758).

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

20202101022402 is a wasteful number, since it uses less digits than its factorization.

20202101022402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16929 (or 16926 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 20202101022402 its reverse (20422010120202), we get a palindrome (40624111142604).

The spelling of 20202101022402 in words is "twenty trillion, two hundred two billion, one hundred one million, twenty-two thousand, four hundred two".