20510425532 has 6 divisors (see below), whose sum is σ = 35893244688. Its totient is φ = 10255212764.

The previous prime is 20510425519. The next prime is 20510425571. The reversal of 20510425532 is 23552401502.

It is a junction number, because it is equal to n+sod(n) for n = 20510425495 and 20510425504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2563803188 + ... + 2563803195.

It is an arithmetic number, because the mean of its divisors is an integer number (5982207448).

Almost surely, 2^20510425532 is an apocalyptic number.

It is an amenable number.

20510425532 is a deficient number, since it is larger than the sum of its proper divisors (15382819156).

20510425532 is a wasteful number, since it uses less digits than its factorization.

20510425532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127606387 (or 5127606385 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The spelling of 20510425532 in words is "twenty billion, five hundred ten million, four hundred twenty-five thousand, five hundred thirty-two".