20203415532 has 36 divisors (see below), whose sum is σ = 51154774216. Its totient is φ = 6723259200.

The previous prime is 20203415527. The next prime is 20203415567. The reversal of 20203415532 is 23551430202.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 20203415496 and 20203415505.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 445258 + ... + 488529.

Almost surely, 2^20203415532 is an apocalyptic number.

It is an amenable number.

20203415532 is an abundant number, since it is smaller than the sum of its proper divisors (30951358684).

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

20203415532 is a wasteful number, since it uses less digits than its factorization.

20203415532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934398 (or 934393 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20203415532 its reverse (23551430202), we get a palindrome (43754845734).

The spelling of 20203415532 in words is "twenty billion, two hundred three million, four hundred fifteen thousand, five hundred thirty-two".