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20025062250 = 235331861293
BaseRepresentation
bin10010101001100101…
…100011001101101010
31220200120200120012020
4102221211203031222
5312002403443000
613111022325310
71306145135454
oct225145431552
956616616166
1020025062250
118546697726
123a6a429836
131b7194127b
14d7d76b2d4
157c306bba0
hex4a996336a

20025062250 has 64 divisors (see below), whose sum is σ = 51594955776. Its totient is φ = 5167752000.

The previous prime is 20025062173. The next prime is 20025062251. The reversal of 20025062250 is 5226052002.

It is a self number, because there is not a number n which added to its sum of digits gives 20025062250.

It is not an unprimeable number, because it can be changed into a prime (20025062251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407397 + ... + 453896.

It is an arithmetic number, because the mean of its divisors is an integer number (806171184).

Almost surely, 220025062250 is an apocalyptic number.

20025062250 is an abundant number, since it is smaller than the sum of its proper divisors (31569893526).

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

20025062250 is a wasteful number, since it uses less digits than its factorization.

20025062250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861344 (or 861334 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The spelling of 20025062250 in words is "twenty billion, twenty-five million, sixty-two thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 31 50 62 75 93 125 150 155 186 250 310 375 465 750 775 930 1550 2325 3875 4650 7750 11625 23250 861293 1722586 2583879 4306465 5167758 8612930 12919395 21532325 25838790 26700083 43064650 53400166 64596975 80100249 107661625 129193950 133500415 160200498 215323250 267000830 322984875 400501245 645969750 667502075 801002490 1335004150 2002506225 3337510375 4005012450 6675020750 10012531125 20025062250