20022009975 has 96 divisors (see below), whose sum is σ = 40243852800. Its totient is φ = 9678873600.

The previous prime is 20022009937. The next prime is 20022010013. The reversal of 20022009975 is 57990022002.

It is an interprime number because it is at equal distance from previous prime (20022009937) and next prime (20022010013).

It is not a de Polignac number, because 20022009975 - 2¹¹ = 20022007927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2617206 + ... + 2624844.

It is an arithmetic number, because the mean of its divisors is an integer number (419206800).

Almost surely, 2^20022009975 is an apocalyptic number.

20022009975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

20022009975 is an abundant number, since it is smaller than the sum of its proper divisors (20221842825).

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

20022009975 is a wasteful number, since it uses less digits than its factorization.

20022009975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022 (or 8011 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 20022009975 in words is "twenty billion, twenty-two million, nine thousand, nine hundred seventy-five".