20532029 has 12 divisors (see below), whose sum is σ = 24709500. Its totient is φ = 16990848.

The previous prime is 20532011. The next prime is 20532037. The reversal of 20532029 is 92023502.

It can be written as a sum of positive squares in 2 ways, for example, as 16826404 + 3705625 = 4102^2 + 1925^2 .

It is not a de Polignac number, because 20532029 - 2¹⁶ = 20466493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20531995 and 20532013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20532049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5804 + ... + 8645.

It is an arithmetic number, because the mean of its divisors is an integer number (2059125).

Almost surely, 2^20532029 is an apocalyptic number.

20532029 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20532029 is a deficient number, since it is larger than the sum of its proper divisors (4177471).

20532029 is a wasteful number, since it uses less digits than its factorization.

20532029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14492 (or 14485 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 20532029 is about 4531.2281999476. The cubic root of 20532029 is about 273.8276439265.

The spelling of 20532029 in words is "twenty million, five hundred thirty-two thousand, twenty-nine".