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20332112312213 = 1321916338846741
BaseRepresentation
bin1001001111101111100000…
…10101001111011110010101
32122222201201212101000101122
410213313300111033132111
510131110131222442323
6111124235441333325
74165642461056612
oct447676025173625
978881655330348
1020332112312213
116529889385839
1223445bb337245
13b46404cb6700
1450411817b509
15253d41818ec8
hex127df054f795

20332112312213 has 24 divisors (see below), whose sum is σ = 23317368418080. Its totient is φ = 17671226639040.

The previous prime is 20332112312201. The next prime is 20332112312263. The reversal of 20332112312213 is 31221321123302.

It is a de Polignac number, because none of the positive numbers 2k-20332112312213 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 (20332112312263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18899978 + ... + 19946763.

It is an arithmetic number, because the mean of its divisors is an integer number (971557017420).

Almost surely, 220332112312213 is an apocalyptic number.

It is an amenable number.

20332112312213 is a deficient number, since it is larger than the sum of its proper divisors (2985256105867).

20332112312213 is a wasteful number, since it uses less digits than its factorization.

20332112312213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38846949 (or 38846936 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20332112312213 its reverse (31221321123302), we get a palindrome (51553433435515).

The spelling of 20332112312213 in words is "twenty trillion, three hundred thirty-two billion, one hundred twelve million, three hundred twelve thousand, two hundred thirteen".

Divisors: 1 13 19 163 169 247 2119 3097 3211 27547 40261 523393 38846741 505007633 738088079 6332018783 6565099229 9595145027 82316244179 120308356877 124736885351 1070111174327 1564008639401 20332112312213