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20076541 = 172127547
BaseRepresentation
bin100110010010…
…1011111111101
31101202222211121
41030211133331
520114422131
61554150541
7332435122
oct114453775
941688747
1020076541
1110372891
126882451
13420c214
142948749
151b68911
hex13257fd

20076541 has 12 divisors (see below), whose sum is σ = 21534208. Its totient is φ = 18712512.

The previous prime is 20076523. The next prime is 20076557. The reversal of 20076541 is 14567002.

It is not a de Polignac number, because 20076541 - 25 = 20076509 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 (20076041) 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, 36430 + ... + 36976.

Almost surely, 220076541 is an apocalyptic number.

It is an amenable number.

20076541 is a deficient number, since it is larger than the sum of its proper divisors (1457667).

20076541 is a wasteful number, since it uses less digits than its factorization.

20076541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 20076541 is about 4480.6853270454. The cubic root of 20076541 is about 271.7875945920.

The spelling of 20076541 in words is "twenty million, seventy-six thousand, five hundred forty-one".

Divisors: 1 17 127 289 547 2159 9299 36703 69469 158083 1180973 20076541