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20532250450 = 2521039395231
BaseRepresentation
bin10011000111110100…
…010100011101010010
31221222221001101121101
4103013310110131102
5314022224003300
613233221215014
71324544151325
oct230764243522
957887041541
1020532250450
118786a13728
123b9026146a
131c22a4212a
14dcac747bc
15802854b6a
hex4c7d14752

20532250450 has 24 divisors (see below), whose sum is σ = 38226839040. Its totient is φ = 8204974800.

The previous prime is 20532250441. The next prime is 20532250483. The reversal of 20532250450 is 5405223502.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 145666 + ... + 249565.

It is an arithmetic number, because the mean of its divisors is an integer number (1592784960).

Almost surely, 220532250450 is an apocalyptic number.

20532250450 is a deficient number, since it is larger than the sum of its proper divisors (17694588590).

20532250450 is a wasteful number, since it uses less digits than its factorization.

20532250450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396282 (or 396277 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

Adding to 20532250450 its reverse (5405223502), we get a palindrome (25937473952).

It can be divided in two parts, 2053 and 2250450, that added together give a triangular number (2252503 = T2122).

The spelling of 20532250450 in words is "twenty billion, five hundred thirty-two million, two hundred fifty thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1039 2078 5195 10390 25975 51950 395231 790462 1976155 3952310 9880775 19761550 410645009 821290018 2053225045 4106450090 10266125225 20532250450