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20466053425 = 52818642137
BaseRepresentation
bin10011000011110111…
…110011000100110001
31221211022111020100201
4103003313303010301
5313403302202200
613222454315201
71323111404146
oct230367630461
957738436321
1020466053425
11875260a944
123b72058b01
131c121055ac
14dc21623cd
157ebb2ac6a
hex4c3df3131

20466053425 has 6 divisors (see below), whose sum is σ = 25377906278. Its totient is φ = 16372842720.

The previous prime is 20466053417. The next prime is 20466053477. The reversal of 20466053425 is 52435066402.

It can be written as a sum of positive squares in 3 ways, for example, as 1034289 + 20465019136 = 1017^2 + 143056^2 .

It is not a de Polignac number, because 20466053425 - 23 = 20466053417 is a prime.

It is a Duffinian 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, 409321044 + ... + 409321093.

Almost surely, 220466053425 is an apocalyptic number.

20466053425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20466053425 is a deficient number, since it is larger than the sum of its proper divisors (4911852853).

20466053425 is an equidigital number, since it uses as much as digits as its factorization.

20466053425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818642147 (or 818642142 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

The spelling of 20466053425 in words is "twenty billion, four hundred sixty-six million, fifty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 818642137 4093210685 20466053425