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20120323320242 = 218639753971693
BaseRepresentation
bin1001001001100101000001…
…01110010110100110110010
32122020111001221000111010222
410210302200232112212302
510114122410232221432
6110443052100253042
74144434240251615
oct444624056264662
978214057014128
1020120323320242
116457a87a84472
12230b5536a1182
13b2c452472652
144d7b864c817c
1524d598405112
hex124ca0b969b2

20120323320242 has 8 divisors (see below), whose sum is σ = 30180647454636. Its totient is φ = 10060107502032.

The previous prime is 20120323320211. The next prime is 20120323320269. The reversal of 20120323320242 is 24202332302102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20084998493641 + 35324826601 = 4481629^2 + 187949^2 .

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

It is a super-2 number, since 2×201203233202422 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26613053 + ... + 27358640.

Almost surely, 220120323320242 is an apocalyptic number.

20120323320242 is a deficient number, since it is larger than the sum of its proper divisors (10060324134394).

20120323320242 is a wasteful number, since it uses less digits than its factorization.

20120323320242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54158092.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20120323320242 its reverse (24202332302102), we get a palindrome (44322655622344).

The spelling of 20120323320242 in words is "twenty trillion, one hundred twenty billion, three hundred twenty-three million, three hundred twenty thousand, two hundred forty-two".

Divisors: 1 2 186397 372794 53971693 107943386 10060161660121 20120323320242