20003401121022 has 64 divisors (see below), whose sum is σ = 48963900510720. Its totient is φ = 6002785843200.

The previous prime is 20003401121003. The next prime is 20003401121027. The reversal of 20003401121022 is 22012110430002.

It is a happy number.

20003401121022 is a `hidden beast` number, since 200 + 0 + 340 + 1 + 121 + 0 + 2 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 20003401120986 and 20003401121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003401121027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163413379 + ... + 163535742.

It is an arithmetic number, because the mean of its divisors is an integer number (765060945480).

Almost surely, 2^{20003401121022} is an apocalyptic number.

20003401121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20003401121022 is an abundant number, since it is smaller than the sum of its proper divisors (28960499389698).

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

20003401121022 is a wasteful number, since it uses less digits than its factorization.

20003401121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326949246 (or 326949240 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 20003401121022 its reverse (22012110430002), we get a palindrome (42015511551024).

The spelling of 20003401121022 in words is "twenty trillion, three billion, four hundred one million, one hundred twenty-one thousand, twenty-two".