20512062432 has 96 divisors (see below), whose sum is σ = 59963016960. Its totient is φ = 6821792640.

The previous prime is 20512062409. The next prime is 20512062451. The reversal of 20512062432 is 23426021502.

It is a happy number.

20512062432 is a `hidden beast` number, since 2 + 0 + 5 + 1 + 2 + 0 + 624 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 20512062396 and 20512062405.

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, 355957 + ... + 409547.

It is an arithmetic number, because the mean of its divisors is an integer number (624614760).

Almost surely, 2^20512062432 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 20512062432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29981508480).

20512062432 is an abundant number, since it is smaller than the sum of its proper divisors (39450954528).

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

20512062432 is a wasteful number, since it uses less digits than its factorization.

20512062432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54053 (or 54039 counting only the distinct ones).

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

Adding to 20512062432 its reverse (23426021502), we get a palindrome (43938083934).

The spelling of 20512062432 in words is "twenty billion, five hundred twelve million, sixty-two thousand, four hundred thirty-two".