20526707052 has 108 divisors (see below), whose sum is σ = 57515801616. Its totient is φ = 6159690240.

The previous prime is 20526707041. The next prime is 20526707059. The reversal of 20526707052 is 25070762502.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 20526706998 and 20526707016.

It is not an unprimeable number, because it can be changed into a prime (20526707059) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 196402 + ... + 282182.

Almost surely, 2^20526707052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20526707052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28757900808).

20526707052 is an abundant number, since it is smaller than the sum of its proper divisors (36989094564).

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

20526707052 is a wasteful number, since it uses less digits than its factorization.

20526707052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85848 (or 85826 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The spelling of 20526707052 in words is "twenty billion, five hundred twenty-six million, seven hundred seven thousand, fifty-two".