202020030311022 has 192 divisors, whose sum is σ = 582228241740288. Its totient is φ = 49009109760000.

The previous prime is 202020030310999. The next prime is 202020030311027. The reversal of 202020030311022 is 220113030020202.

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 = 202020030310986 and 202020030311004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202020030311027) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 29638479 + ... + 35811722.

It is an arithmetic number, because the mean of its divisors is an integer number (3032438759064).

Almost surely, 2^{202020030311022} is an apocalyptic number.

202020030311022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202020030311022 is an abundant number, since it is smaller than the sum of its proper divisors (380208211429266).

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

202020030311022 is a wasteful number, since it uses less digits than its factorization.

202020030311022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65450375 (or 65450372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202020030311022 its reverse (220113030020202), we get a palindrome (422133060331224).

The spelling of 202020030311022 in words is "two hundred two trillion, twenty billion, thirty million, three hundred eleven thousand, twenty-two".