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20612023442 = 231332451991
BaseRepresentation
bin10011001100100100…
…101000010010010010
31222012111011021120122
4103030210220102102
5314203134222232
613245151110242
71326533210543
oct231444502222
958174137518
1020612023442
118817a4a31a
123bb2b12382
131c3642309a
14dd76bc4ca
15809861312
hex4cc928492

20612023442 has 8 divisors (see below), whose sum is σ = 31915391232. Its totient is φ = 9973559700.

The previous prime is 20612023391. The next prime is 20612023483. The reversal of 20612023442 is 24432021602.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166225934 + ... + 166226057.

It is an arithmetic number, because the mean of its divisors is an integer number (3989423904).

Almost surely, 220612023442 is an apocalyptic number.

20612023442 is a deficient number, since it is larger than the sum of its proper divisors (11303367790).

20612023442 is a wasteful number, since it uses less digits than its factorization.

20612023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332452024.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 20612023442 in words is "twenty billion, six hundred twelve million, twenty-three thousand, four hundred forty-two".

Divisors: 1 2 31 62 332451991 664903982 10306011721 20612023442