20523012246 has 48 divisors (see below), whose sum is σ = 48597876288. Its totient is φ = 6207692400.

The previous prime is 20523012229. The next prime is 20523012253. The reversal of 20523012246 is 64221032502.

It is a happy number.

20523012246 is a `hidden beast` number, since 205 + 230 + 1 + 224 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13561 + ... + 203051.

It is an arithmetic number, because the mean of its divisors is an integer number (1012455756).

Almost surely, 2^20523012246 is an apocalyptic number.

20523012246 is an abundant number, since it is smaller than the sum of its proper divisors (28074864042).

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

20523012246 is a wasteful number, since it uses less digits than its factorization.

20523012246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190057 (or 190054 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 20523012246 its reverse (64221032502), we get a palindrome (84744044748).

The spelling of 20523012246 in words is "twenty billion, five hundred twenty-three million, twelve thousand, two hundred forty-six".