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20342210144 = 251275749831
BaseRepresentation
bin10010111100011111…
…010111111001100000
31221111200110100022112
4102330133113321200
5313130101211034
613202312054452
71320045635054
oct227437277140
957450410275
1020342210144
118699713623
123b38694428
131bc2564249
14dad925c64
157e0d167ce
hex4bc7d7e60

20342210144 has 24 divisors (see below), whose sum is σ = 40052669328. Its totient is φ = 10170103680.

The previous prime is 20342210143. The next prime is 20342210153. The reversal of 20342210144 is 44101224302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20342210143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383309 + ... + 433139.

It is an arithmetic number, because the mean of its divisors is an integer number (1668861222).

Almost surely, 220342210144 is an apocalyptic number.

It is an amenable number.

20342210144 is a deficient number, since it is larger than the sum of its proper divisors (19710459184).

20342210144 is a wasteful number, since it uses less digits than its factorization.

20342210144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62598 (or 62590 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20342210144 its reverse (44101224302), we get a palindrome (64443434446).

The spelling of 20342210144 in words is "twenty billion, three hundred forty-two million, two hundred ten thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 12757 25514 49831 51028 99662 102056 199324 204112 398648 408224 797296 1594592 635694067 1271388134 2542776268 5085552536 10171105072 20342210144