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20148201 = 328272707
BaseRepresentation
bin100110011011…
…0111111101001
31101220122010200
41030312333221
520124220301
61555502413
7333154053
oct114667751
941818120
1020148201
1110411707
1268b7a09
134235a18
1429668d3
151b7ec86
hex1336fe9

20148201 has 12 divisors (see below), whose sum is σ = 29148912. Its totient is φ = 13410936.

The previous prime is 20148137. The next prime is 20148211. The reversal of 20148201 is 10284102.

It is not a de Polignac number, because 20148201 - 26 = 20148137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20148211) 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, 6090 + ... + 8796.

It is an arithmetic number, because the mean of its divisors is an integer number (2429076).

Almost surely, 220148201 is an apocalyptic number.

It is an amenable number.

20148201 is a deficient number, since it is larger than the sum of its proper divisors (9000711).

20148201 is a wasteful number, since it uses less digits than its factorization.

20148201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540 (or 3537 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 20148201 is about 4488.6747487427. The cubic root of 20148201 is about 272.1105780574.

The spelling of 20148201 in words is "twenty million, one hundred forty-eight thousand, two hundred one".

Divisors: 1 3 9 827 2481 2707 7443 8121 24363 2238689 6716067 20148201