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2020199 = 16712097
BaseRepresentation
bin111101101001101100111
310210122012012
413231031213
51004121244
6111144435
723112536
oct7551547
93718165
102020199
11115a895
1281511b
135596ac
143a831d
1529d89e
hex1ed367

2020199 has 4 divisors (see below), whose sum is σ = 2032464. Its totient is φ = 2007936.

The previous prime is 2020181. The next prime is 2020223. The reversal of 2020199 is 9910202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9910202 = 24955101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2020199 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 (2020999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5882 + ... + 6215.

It is an arithmetic number, because the mean of its divisors is an integer number (508116).

22020199 is an apocalyptic number.

2020199 is a deficient number, since it is larger than the sum of its proper divisors (12265).

2020199 is a wasteful number, since it uses less digits than its factorization.

2020199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 2020199 is about 1421.3370465868. The cubic root of 2020199 is about 126.4148374600.

The spelling of 2020199 in words is "two million, twenty thousand, one hundred ninety-nine".

Divisors: 1 167 12097 2020199