20782522652 has 12 divisors (see below), whose sum is σ = 36413291880. Its totient is φ = 10378724976.

The previous prime is 20782522633. The next prime is 20782522693. The reversal of 20782522652 is 25622528702.

It is a happy number.

It is a super-2 number, since 2×20782522652² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3130358 + ... + 3136989.

It is an arithmetic number, because the mean of its divisors is an integer number (3034440990).

Almost surely, 2^20782522652 is an apocalyptic number.

It is an amenable number.

20782522652 is a deficient number, since it is larger than the sum of its proper divisors (15630769228).

20782522652 is a wasteful number, since it uses less digits than its factorization.

20782522652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268180 (or 6268178 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 20782522652 in words is "twenty billion, seven hundred eighty-two million, five hundred twenty-two thousand, six hundred fifty-two".