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20542032245 = 57586915207
BaseRepresentation
bin10011001000011001…
…101000100101110101
31222000121110100201002
4103020121220211311
5314032230012440
613234211013045
71325023251560
oct231031504565
958017410632
1020542032245
118791494959
123b9359a185
131c24a88587
14dcc29d4d7
15803638115
hex4c8668975

20542032245 has 8 divisors (see below), whose sum is σ = 28171929984. Its totient is φ = 14085964944.

The previous prime is 20542032241. The next prime is 20542032311. The reversal of 20542032245 is 54223024502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20542032245 - 22 = 20542032241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20542032241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293457569 + ... + 293457638.

It is an arithmetic number, because the mean of its divisors is an integer number (3521491248).

Almost surely, 220542032245 is an apocalyptic number.

It is an amenable number.

20542032245 is a deficient number, since it is larger than the sum of its proper divisors (7629897739).

20542032245 is an equidigital number, since it uses as much as digits as its factorization.

20542032245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586915219.

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 20542032245 its reverse (54223024502), we get a palindrome (74765056747).

The spelling of 20542032245 in words is "twenty billion, five hundred forty-two million, thirty-two thousand, two hundred forty-five".

Divisors: 1 5 7 35 586915207 2934576035 4108406449 20542032245