20935532 has 6 divisors (see below), whose sum is σ = 36637188. Its totient is φ = 10467764.

The previous prime is 20935531. The next prime is 20935547. The reversal of 20935532 is 23553902.

It is a junction number, because it is equal to n+sod(n) for n = 20935495 and 20935504.

It is not an unprimeable number, because it can be changed into a prime (20935531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2616938 + ... + 2616945.

It is an arithmetic number, because the mean of its divisors is an integer number (6106198).

Almost surely, 2^20935532 is an apocalyptic number.

It is an amenable number.

20935532 is a deficient number, since it is larger than the sum of its proper divisors (15701656).

20935532 is a wasteful number, since it uses less digits than its factorization.

20935532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5233887 (or 5233885 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 20935532 is about 4575.5362527249. The cubic root of 20935532 is about 275.6098070958.

The spelling of 20935532 in words is "twenty million, nine hundred thirty-five thousand, five hundred thirty-two".