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22020097 = 116912897
BaseRepresentation
bin101010000000…
…0000000000001
31112102201220011
41110000000001
521114120342
62103544521
7355111351
oct124000001
945381804
1022020097
1111480030
12745b141
13473ca58
142cd2b61
151dee717
hex1500001

22020097 has 8 divisors (see below), whose sum is σ = 24064992. Its totient is φ = 19982400.

The previous prime is 22020091. The next prime is 22020127. The reversal of 22020097 is 79002022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020097 - 27 = 22019969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6153 + ... + 9049.

It is an arithmetic number, because the mean of its divisors is an integer number (3008124).

It is a Proth number, since it is equal to 21 ⋅ 220 + 1 and 21 < 220.

Almost surely, 222020097 is an apocalyptic number.

It is an amenable number.

22020097 is a deficient number, since it is larger than the sum of its proper divisors (2044895).

22020097 is a wasteful number, since it uses less digits than its factorization.

22020097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 22020097 is about 4692.5576181865. The cubic root of 22020097 is about 280.2892291958.

The spelling of 22020097 in words is "twenty-two million, twenty thousand, ninety-seven".

Divisors: 1 11 691 2897 7601 31867 2001827 22020097