20526222528480 has 384 divisors, whose sum is σ = 69458236646400. Its totient is φ = 5081969147904.

The previous prime is 20526222528473. The next prime is 20526222528521. The reversal of 20526222528480 is 8482522262502.

It is a super-2 number, since 2×20526222528480² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 171093156 + ... + 171213084.

It is an arithmetic number, because the mean of its divisors is an integer number (180880824600).

Almost surely, 2^{20526222528480} is an apocalyptic number.

20526222528480 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 20526222528480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34729118323200).

20526222528480 is an abundant number, since it is smaller than the sum of its proper divisors (48932014117920).

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

20526222528480 is a wasteful number, since it uses less digits than its factorization.

20526222528480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120426 (or 120418 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 48.

The spelling of 20526222528480 in words is "twenty trillion, five hundred twenty-six billion, two hundred twenty-two million, five hundred twenty-eight thousand, four hundred eighty".