20526005020 has 48 divisors (see below), whose sum is σ = 45655777440. Its totient is φ = 7724795904.

The previous prime is 20526004987. The next prime is 20526005089. The reversal of 20526005020 is 2050062502.

It is a junction number, because it is equal to n+sod(n) for n = 20526004982 and 20526005000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1191307 + ... + 1208413.

It is an arithmetic number, because the mean of its divisors is an integer number (951162030).

Almost surely, 2^20526005020 is an apocalyptic number.

20526005020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20526005020 is an abundant number, since it is smaller than the sum of its proper divisors (25129772420).

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

20526005020 is a wasteful number, since it uses less digits than its factorization.

20526005020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20662 (or 20660 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 20526005020 its reverse (2050062502), we get a palindrome (22576067522).

The spelling of 20526005020 in words is "twenty billion, five hundred twenty-six million, five thousand, twenty".