20602532 has 6 divisors (see below), whose sum is σ = 36054438. Its totient is φ = 10301264.

The previous prime is 20602523. The next prime is 20602577. The reversal of 20602532 is 23520602.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11397376 + 9205156 = 3376^2 + 3034^2 .

It is a super-2 number, since 2×20602532² = 848928649622048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2575313 + ... + 2575320.

It is an arithmetic number, because the mean of its divisors is an integer number (6009073).

Almost surely, 2^20602532 is an apocalyptic number.

It is an amenable number.

20602532 is a deficient number, since it is larger than the sum of its proper divisors (15451906).

20602532 is a wasteful number, since it uses less digits than its factorization.

20602532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5150637 (or 5150635 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20602532 is about 4539.0012117205. The cubic root of 20602532 is about 274.1407095135.

The spelling of 20602532 in words is "twenty million, six hundred two thousand, five hundred thirty-two".