20651032 has 16 divisors (see below), whose sum is σ = 39767760. Its totient is φ = 10046304.

The previous prime is 20651027. The next prime is 20651041. The reversal of 20651032 is 23015602.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34588 + ... + 35179.

It is an arithmetic number, because the mean of its divisors is an integer number (2485485).

Almost surely, 2^20651032 is an apocalyptic number.

It is an amenable number.

20651032 is a deficient number, since it is larger than the sum of its proper divisors (19116728).

20651032 is a wasteful number, since it uses less digits than its factorization.

20651032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69810 (or 69806 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 20651032 is about 4544.3406562449. The cubic root of 20651032 is about 274.3556572829.

Adding to 20651032 its reverse (23015602), we get a palindrome (43666634).

It can be divided in two parts, 2065 and 1032, that multiplied together give a triangular number (2131080 = T₂₀₆₄).

The spelling of 20651032 in words is "twenty million, six hundred fifty-one thousand, thirty-two".