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20502332 = 225125583
BaseRepresentation
bin100111000110…
…1011100111100
31102120121220122
41032031130330
520222033312
62011234112
7336160364
oct116153474
942517818
1020502332
1110633784
126a48938
13432ac76
142a199a4
151beeb72
hex138d73c

20502332 has 6 divisors (see below), whose sum is σ = 35879088. Its totient is φ = 10251164.

The previous prime is 20502319. The next prime is 20502341. The reversal of 20502332 is 23320502.

It is a self number, because there is not a number n which added to its sum of digits gives 20502332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2562788 + ... + 2562795.

It is an arithmetic number, because the mean of its divisors is an integer number (5979848).

Almost surely, 220502332 is an apocalyptic number.

It is an amenable number.

20502332 is a deficient number, since it is larger than the sum of its proper divisors (15376756).

20502332 is a wasteful number, since it uses less digits than its factorization.

20502332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125587 (or 5125585 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 20502332 is about 4527.9500880641. The cubic root of 20502332 is about 273.6955611326.

Adding to 20502332 its reverse (23320502), we get a palindrome (43822834).

The spelling of 20502332 in words is "twenty million, five hundred two thousand, three hundred thirty-two".

Divisors: 1 2 4 5125583 10251166 20502332