20270532 has 12 divisors (see below), whose sum is σ = 47297936. Its totient is φ = 6756840.

The previous prime is 20270527. The next prime is 20270533. The reversal of 20270532 is 23507202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20270499 and 20270508.

It is not an unprimeable number, because it can be changed into a prime (20270533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 844594 + ... + 844617.

Almost surely, 2^20270532 is an apocalyptic number.

It is an amenable number.

20270532 is an abundant number, since it is smaller than the sum of its proper divisors (27027404).

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

20270532 is a wasteful number, since it uses less digits than its factorization.

20270532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689218 (or 1689216 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 20270532 is about 4502.2807553506. The cubic root of 20270532 is about 272.6601790916.

Adding to 20270532 its reverse (23507202), we get a palindrome (43777734).

It can be divided in two parts, 20270 and 532, that added together give a palindrome (20802).

The spelling of 20270532 in words is "twenty million, two hundred seventy thousand, five hundred thirty-two".