20475652895880 has 768 divisors, whose sum is σ = 77170060800000. Its totient is φ = 4232255588352.

The previous prime is 20475652895879. The next prime is 20475652895939. The reversal of 20475652895880 is 8859825657402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9754955071 + ... + 9754957169.

It is an arithmetic number, because the mean of its divisors is an integer number (100481850000).

Almost surely, 2^{20475652895880} is an apocalyptic number.

20475652895880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20475652895880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38585030400000).

20475652895880 is an abundant number, since it is smaller than the sum of its proper divisors (56694407904120).

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

20475652895880 is a wasteful number, since it uses less digits than its factorization.

20475652895880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2395 counting only the distinct ones).

The product of its (nonzero) digits is 387072000, while the sum is 69.

The spelling of 20475652895880 in words is "twenty trillion, four hundred seventy-five billion, six hundred fifty-two million, eight hundred ninety-five thousand, eight hundred eighty".