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20752305692 = 2229178899187
BaseRepresentation
bin10011010100111011…
…110000111000011100
31222120021010100122112
4103110323300320130
5320000042240232
613311121533152
71333155454646
oct232473607034
958507110575
1020752305692
11888a154468
124031aa41b8
131c594cba31
14100c197896
15816d214b2
hex4d4ef0e1c

20752305692 has 12 divisors (see below), whose sum is σ = 37568829480. Its totient is φ = 10018354416.

The previous prime is 20752305683. The next prime is 20752305697. The reversal of 20752305692 is 29650325702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20752305697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89449478 + ... + 89449709.

It is an arithmetic number, because the mean of its divisors is an integer number (3130735790).

Almost surely, 220752305692 is an apocalyptic number.

It is an amenable number.

20752305692 is a deficient number, since it is larger than the sum of its proper divisors (16816523788).

20752305692 is a wasteful number, since it uses less digits than its factorization.

20752305692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178899220 (or 178899218 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 20752305692 in words is "twenty billion, seven hundred fifty-two million, three hundred five thousand, six hundred ninety-two".

Divisors: 1 2 4 29 58 116 178899187 357798374 715596748 5188076423 10376152846 20752305692