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32020020020 = 2251601001001
BaseRepresentation
bin11101110100100010…
…101011101100110100
310001122112022112220102
4131310202223230310
51011034111120040
622413152053232
72212325452022
oct356442535464
9101575275812
1032020020020
1112641514a6a
126257534218
133033a2ba11
14179a835712
15c76143515
hex7748abb34

32020020020 has 12 divisors (see below), whose sum is σ = 67242042084. Its totient is φ = 12808008000.

The previous prime is 32020019989. The next prime is 32020020031. The reversal of 32020020020 is 2002002023.

It can be written as a sum of positive squares in 2 ways, for example, as 9470793124 + 22549226896 = 97318^2 + 150164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32020019983 and 32020020010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800500481 + ... + 800500520.

It is an arithmetic number, because the mean of its divisors is an integer number (5603503507).

Almost surely, 232020020020 is an apocalyptic number.

It is an amenable number.

32020020020 is an abundant number, since it is smaller than the sum of its proper divisors (35222022064).

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

32020020020 is a wasteful number, since it uses less digits than its factorization.

32020020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601001010 (or 1601001008 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

Adding to 32020020020 its reverse (2002002023), we get a palindrome (34022022043).

The spelling of 32020020020 in words is "thirty-two billion, twenty million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 1601001001 3202002002 6404004004 8005005005 16010010010 32020020020