20234535632 has 20 divisors (see below), whose sum is σ = 40556290020. Its totient is φ = 9768396288.

The previous prime is 20234535577. The next prime is 20234535647. The reversal of 20234535632 is 23653543202.

It can be written as a sum of positive squares in 2 ways, for example, as 16562660416 + 3671875216 = 128696^2 + 60596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20234535592 and 20234535601.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 21803993 + ... + 21804920.

It is an arithmetic number, because the mean of its divisors is an integer number (2027814501).

Almost surely, 2^20234535632 is an apocalyptic number.

It is an amenable number.

20234535632 is an abundant number, since it is smaller than the sum of its proper divisors (20321754388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20234535632 is a wasteful number, since it uses less digits than its factorization.

20234535632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43608950 (or 43608944 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 35.

The spelling of 20234535632 in words is "twenty billion, two hundred thirty-four million, five hundred thirty-five thousand, six hundred thirty-two".