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20022524532 = 2232556181237
BaseRepresentation
bin10010101001011011…
…110111101001110100
31220200101220122002200
4102221123313221310
5312001231241112
613110452104500
71306114436043
oct225133675164
956611818080
1020022524532
11854521403a
123a69605130
131b7126316a
14d7d2aa55a
157c2c19cdc
hex4a96f7a74

20022524532 has 18 divisors (see below), whose sum is σ = 50612492658. Its totient is φ = 6674174832.

The previous prime is 20022524519. The next prime is 20022524603. The reversal of 20022524532 is 23542522002.

20022524532 is a `hidden beast` number, since 200 + 2 + 2 + 5 + 2 + 453 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 14495196816 + 5527327716 = 120396^2 + 74346^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 20022524496 and 20022524505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278090583 + ... + 278090654.

Almost surely, 220022524532 is an apocalyptic number.

It is an amenable number.

20022524532 is an abundant number, since it is smaller than the sum of its proper divisors (30589968126).

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

20022524532 is a wasteful number, since it uses less digits than its factorization.

20022524532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556181247 (or 556181242 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The spelling of 20022524532 in words is "twenty billion, twenty-two million, five hundred twenty-four thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 556181237 1112362474 1668543711 2224724948 3337087422 5005631133 6674174844 10011262266 20022524532