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20422053 = 327928723
BaseRepresentation
bin100110111100…
…1110110100101
31102102112210100
41031321312211
520212001203
62005414313
7335404341
oct115716645
942375710
1020422053
1110589433
126a0a399
134300572
1429d8621
151bd5ea3
hex1379da5

20422053 has 12 divisors (see below), whose sum is σ = 29872960. Its totient is φ = 13441896.

The previous prime is 20422043. The next prime is 20422079. The reversal of 20422053 is 35022402.

It is not a de Polignac number, because 20422053 - 24 = 20422037 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 (20422043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13651 + ... + 15072.

Almost surely, 220422053 is an apocalyptic number.

It is an amenable number.

20422053 is a deficient number, since it is larger than the sum of its proper divisors (9450907).

20422053 is a wasteful number, since it uses less digits than its factorization.

20422053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28808 (or 28805 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 20422053 is about 4519.0765649632. The cubic root of 20422053 is about 273.3378661090.

Adding to 20422053 its reverse (35022402), we get a palindrome (55444455).

It can be divided in two parts, 2042 and 2053, that added together give a triangular number (4095 = T90).

The spelling of 20422053 in words is "twenty million, four hundred twenty-two thousand, fifty-three".

Divisors: 1 3 9 79 237 711 28723 86169 258507 2269117 6807351 20422053