202122034040 has 32 divisors (see below), whose sum is σ = 460531224000. Its totient is φ = 79825409664.

The previous prime is 202122033943. The next prime is 202122034073. The reversal of 202122034040 is 40430221202.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31978175 + ... + 31984494.

It is an arithmetic number, because the mean of its divisors is an integer number (14391600750).

Almost surely, 2^202122034040 is an apocalyptic number.

202122034040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202122034040 is an abundant number, since it is smaller than the sum of its proper divisors (258409189960).

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

202122034040 is a wasteful number, since it uses less digits than its factorization.

202122034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63962759 (or 63962755 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 202122034040 its reverse (40430221202), we get a palindrome (242552255242).

The spelling of 202122034040 in words is "two hundred two billion, one hundred twenty-two million, thirty-four thousand, forty".