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20041142452 = 227197727499
BaseRepresentation
bin10010101010100010…
…111001000010110100
31220201200221112002021
4102222202321002310
5312021013024302
613112355122524
71306431620512
oct225242710264
956650845067
1020041142452
11855477aa51
123a738a3444
131b75081496
14d819554b2
157c4696437
hex4aa8b90b4

20041142452 has 24 divisors (see below), whose sum is σ = 35932680000. Its totient is φ = 9777573120.

The previous prime is 20041142423. The next prime is 20041142467. The reversal of 20041142452 is 25424114002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336202 + ... + 391297.

It is an arithmetic number, because the mean of its divisors is an integer number (1497195000).

Almost surely, 220041142452 is an apocalyptic number.

It is an amenable number.

20041142452 is a deficient number, since it is larger than the sum of its proper divisors (15891537548).

20041142452 is a wasteful number, since it uses less digits than its factorization.

20041142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727671 (or 727669 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 20041142452 its reverse (25424114002), we get a palindrome (45465256454).

The spelling of 20041142452 in words is "twenty billion, forty-one million, one hundred forty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 71 97 142 194 284 388 6887 13774 27548 727499 1454998 2909996 51652429 70567403 103304858 141134806 206609716 282269612 5010285613 10020571226 20041142452